/*  Prototype JavaScript framework, version 1.6.0.2
 *  (c) 2005-2008 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.6.0.2',

  Browser: {
    IE:     !!(window.attachEvent && !window.opera),
    Opera:  !!window.opera,
    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1,
    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
  },

  BrowserFeatures: {
    XPath: !!document.evaluate,
    ElementExtensions: !!window.HTMLElement,
    SpecificElementExtensions:
      document.createElement('div').__proto__ &&
      document.createElement('div').__proto__ !==
        document.createElement('form').__proto__
  },

  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,

  emptyFunction: function() { },
  K: function(x) { return x }
};

if (Prototype.Browser.MobileSafari)
  Prototype.BrowserFeatures.SpecificElementExtensions = false;


/* Based on Alex Arnell's inheritance implementation. */
var Class = {
  create: function() {
    var parent = null, properties = $A(arguments);
    if (Object.isFunction(properties[0]))
      parent = properties.shift();

    function klass() {
      this.initialize.apply(this, arguments);
    }

    Object.extend(klass, Class.Methods);
    klass.superclass = parent;
    klass.subclasses = [];

    if (parent) {
      var subclass = function() { };
      subclass.prototype = parent.prototype;
      klass.prototype = new subclass;
      parent.subclasses.push(klass);
    }

    for (var i = 0; i < properties.length; i++)
      klass.addMethods(properties[i]);

    if (!klass.prototype.initialize)
      klass.prototype.initialize = Prototype.emptyFunction;

    klass.prototype.constructor = klass;

    return klass;
  }
};

Class.Methods = {
  addMethods: function(source) {
    var ancestor   = this.superclass && this.superclass.prototype;
    var properties = Object.keys(source);

    if (!Object.keys({ toString: true }).length)
      properties.push("toString", "valueOf");

    for (var i = 0, length = properties.length; i < length; i++) {
      var property = properties[i], value = source[property];
      if (ancestor && Object.isFunction(value) &&
          value.argumentNames().first() == "$super") {
        var method = value, value = Object.extend((function(m) {
          return function() { return ancestor[m].apply(this, arguments) };
        })(property).wrap(method), {
          valueOf:  function() { return method },
          toString: function() { return method.toString() }
        });
      }
      this.prototype[property] = value;
    }

    return this;
  }
};

var Abstract = { };

Object.extend = function(destination, source) {
  for (var property in source)
    destination[property] = source[property];
  return destination;
};

Object.extend(Object, {
  inspect: function(object) {
    try {
      if (Object.isUndefined(object)) return 'undefined';
      if (object === null) return 'null';
      return object.inspect ? object.inspect() : String(object);
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  },

  toJSON: function(object) {
    var type = typeof object;
    switch (type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }

    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (Object.isElement(object)) return;

    var results = [];
    for (var property in object) {
      var value = Object.toJSON(object[property]);
      if (!Object.isUndefined(value))
        results.push(property.toJSON() + ': ' + value);
    }

    return '{' + results.join(', ') + '}';
  },

  toQueryString: function(object) {
    return $H(object).toQueryString();
  },

  toHTML: function(object) {
    return object && object.toHTML ? object.toHTML() : String.interpret(object);
  },

  keys: function(object) {
    var keys = [];
    for (var property in object)
      keys.push(property);
    return keys;
  },

  values: function(object) {
    var values = [];
    for (var property in object)
      values.push(object[property]);
    return values;
  },

  clone: function(object) {
    return Object.extend({ }, object);
  },

  isElement: function(object) {
    return object && object.nodeType == 1;
  },

  isArray: function(object) {
    return object != null && typeof object == "object" &&
      'splice' in object && 'join' in object;
  },

  isHash: function(object) {
    return object instanceof Hash;
  },

  isFunction: function(object) {
    return typeof object == "function";
  },

  isString: function(object) {
    return typeof object == "string";
  },

  isNumber: function(object) {
    return typeof object == "number";
  },

  isUndefined: function(object) {
    return typeof object == "undefined";
  }
});

Object.extend(Function.prototype, {
  argumentNames: function() {
    var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");
    return names.length == 1 && !names[0] ? [] : names;
  },

  bind: function() {
    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
    var __method = this, args = $A(arguments), object = args.shift();
    return function() {
      return __method.apply(object, args.concat($A(arguments)));
    }
  },

  bindAsEventListener: function() {
    var __method = this, args = $A(arguments), object = args.shift();
    return function(event) {
      return __method.apply(object, [event || window.event].concat(args));
    }
  },

  curry: function() {
    if (!arguments.length) return this;
    var __method = this, args = $A(arguments);
    return function() {
      return __method.apply(this, args.concat($A(arguments)));
    }
  },

  delay: function() {
    var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
    return window.setTimeout(function() {
      return __method.apply(__method, args);
    }, timeout);
  },

  wrap: function(wrapper) {
    var __method = this;
    return function() {
      return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
    }
  },

  methodize: function() {
    if (this._methodized) return this._methodized;
    var __method = this;
    return this._methodized = function() {
      return __method.apply(null, [this].concat($A(arguments)));
    };
  }
});

Function.prototype.defer = Function.prototype.delay.curry(0.01);

Date.prototype.toJSON = function() {
  return '"' + this.getUTCFullYear() + '-' +
    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
    this.getUTCDate().toPaddedString(2) + 'T' +
    this.getUTCHours().toPaddedString(2) + ':' +
    this.getUTCMinutes().toPaddedString(2) + ':' +
    this.getUTCSeconds().toPaddedString(2) + 'Z"';
};

var Try = {
  these: function() {
    var returnValue;

    for (var i = 0, length = arguments.length; i < length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) { }
    }

    return returnValue;
  }
};

RegExp.prototype.match = RegExp.prototype.test;

RegExp.escape = function(str) {
  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};

/*--------------------------------------------------------------------------*/

var PeriodicalExecuter = Class.create({
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  execute: function() {
    this.callback(this);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.execute();
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
});
Object.extend(String, {
  interpret: function(value) {
    return value == null ? '' : String(value);
  },
  specialChar: {
    '\b': '\\b',
    '\t': '\\t',
    '\n': '\\n',
    '\f': '\\f',
    '\r': '\\r',
    '\\': '\\\\'
  }
});

Object.extend(String.prototype, {
  gsub: function(pattern, replacement) {
    var result = '', source = this, match;
    replacement = arguments.callee.prepareReplacement(replacement);

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += String.interpret(replacement(match));
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  },

  sub: function(pattern, replacement, count) {
    replacement = this.gsub.prepareReplacement(replacement);
    count = Object.isUndefined(count) ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  },

  scan: function(pattern, iterator) {
    this.gsub(pattern, iterator);
    return String(this);
  },

  truncate: function(length, truncation) {
    length = length || 30;
    truncation = Object.isUndefined(truncation) ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : String(this);
  },

  strip: function() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  },

  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, '');
  },

  stripScripts: function() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  },

  extractScripts: function() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  },

  evalScripts: function() {
    return this.extractScripts().map(function(script) { return eval(script) });
  },

  escapeHTML: function() {
    var self = arguments.callee;
    self.text.data = this;
    return self.div.innerHTML;
  },

  unescapeHTML: function() {
    var div = new Element('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? (div.childNodes.length > 1 ?
      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
      div.childNodes[0].nodeValue) : '';
  },

  toQueryParams: function(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return { };

    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var key = decodeURIComponent(pair.shift());
        var value = pair.length > 1 ? pair.join('=') : pair[0];
        if (value != undefined) value = decodeURIComponent(value);

        if (key in hash) {
          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
          hash[key].push(value);
        }
        else hash[key] = value;
      }
      return hash;
    });
  },

  toArray: function() {
    return this.split('');
  },

  succ: function() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  },

  times: function(count) {
    return count < 1 ? '' : new Array(count + 1).join(this);
  },

  camelize: function() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  },

  capitalize: function() {
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  },

  underscore: function() {
    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
  },

  dasherize: function() {
    return this.gsub(/_/,'-');
  },

  inspect: function(useDoubleQuotes) {
    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
      var character = String.specialChar[match[0]];
      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  },

  toJSON: function() {
    return this.inspect(true);
  },

  unfilterJSON: function(filter) {
    return this.sub(filter || Prototype.JSONFilter, '#{1}');
  },

  isJSON: function() {
    var str = this;
    if (str.blank()) return false;
    str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
  },

  evalJSON: function(sanitize) {
    var json = this.unfilterJSON();
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  },

  include: function(pattern) {
    return this.indexOf(pattern) > -1;
  },

  startsWith: function(pattern) {
    return this.indexOf(pattern) === 0;
  },

  endsWith: function(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.lastIndexOf(pattern) === d;
  },

  empty: function() {
    return this == '';
  },

  blank: function() {
    return /^\s*$/.test(this);
  },

  interpolate: function(object, pattern) {
    return new Template(this, pattern).evaluate(object);
  }
});

if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
  escapeHTML: function() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  },
  unescapeHTML: function() {
    return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
  }
});

String.prototype.gsub.prepareReplacement = function(replacement) {
  if (Object.isFunction(replacement)) return replacement;
  var template = new Template(replacement);
  return function(match) { return template.evaluate(match) };
};

String.prototype.parseQuery = String.prototype.toQueryParams;

Object.extend(String.prototype.escapeHTML, {
  div:  document.createElement('div'),
  text: document.createTextNode('')
});

with (String.prototype.escapeHTML) div.appendChild(text);

var Template = Class.create({
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    if (Object.isFunction(object.toTemplateReplacements))
      object = object.toTemplateReplacements();

    return this.template.gsub(this.pattern, function(match) {
      if (object == null) return '';

      var before = match[1] || '';
      if (before == '\\') return match[2];

      var ctx = object, expr = match[3];
      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
      match = pattern.exec(expr);
      if (match == null) return before;

      while (match != null) {
        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
        ctx = ctx[comp];
        if (null == ctx || '' == match[3]) break;
        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
        match = pattern.exec(expr);
      }

      return before + String.interpret(ctx);
    });
  }
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

var $break = { };

var Enumerable = {
  each: function(iterator, context) {
    var index = 0;
    iterator = iterator.bind(context);
    try {
      this._each(function(value) {
        iterator(value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  },

  eachSlice: function(number, iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var index = -number, slices = [], array = this.toArray();
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.collect(iterator, context);
  },

  all: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result = true;
    this.each(function(value, index) {
      result = result && !!iterator(value, index);
      if (!result) throw $break;
    });
    return result;
  },

  any: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result = false;
    this.each(function(value, index) {
      if (result = !!iterator(value, index))
        throw $break;
    });
    return result;
  },

  collect: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var results = [];
    this.each(function(value, index) {
      results.push(iterator(value, index));
    });
    return results;
  },

  detect: function(iterator, context) {
    iterator = iterator.bind(context);
    var result;
    this.each(function(value, index) {
      if (iterator(value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  },

  findAll: function(iterator, context) {
    iterator = iterator.bind(context);
    var results = [];
    this.each(function(value, index) {
      if (iterator(value, index))
        results.push(value);
    });
    return results;
  },

  grep: function(filter, iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var results = [];

    if (Object.isString(filter))
      filter = new RegExp(filter);

    this.each(function(value, index) {
      if (filter.match(value))
        results.push(iterator(value, index));
    });
    return results;
  },

  include: function(object) {
    if (Object.isFunction(this.indexOf))
      if (this.indexOf(object) != -1) return true;

    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  },

  inGroupsOf: function(number, fillWith) {
    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  },

  inject: function(memo, iterator, context) {
    iterator = iterator.bind(context);
    this.each(function(value, index) {
      memo = iterator(memo, value, index);
    });
    return memo;
  },

  invoke: function(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  },

  max: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator(value, index);
      if (result == null || value >= result)
        result = value;
    });
    return result;
  },

  min: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator(value, index);
      if (result == null || value < result)
        result = value;
    });
    return result;
  },

  partition: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var trues = [], falses = [];
    this.each(function(value, index) {
      (iterator(value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  },

  pluck: function(property) {
    var results = [];
    this.each(function(value) {
      results.push(value[property]);
    });
    return results;
  },

  reject: function(iterator, context) {
    iterator = iterator.bind(context);
    var results = [];
    this.each(function(value, index) {
      if (!iterator(value, index))
        results.push(value);
    });
    return results;
  },

  sortBy: function(iterator, context) {
    iterator = iterator.bind(context);
    return this.map(function(value, index) {
      return {value: value, criteria: iterator(value, index)};
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  },

  toArray: function() {
    return this.map();
  },

  zip: function() {
    var iterator = Prototype.K, args = $A(arguments);
    if (Object.isFunction(args.last()))
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  },

  size: function() {
    return this.toArray().length;
  },

  inspect: function() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }
};

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  filter:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray,
  every:   Enumerable.all,
  some:    Enumerable.any
});
function $A(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) return iterable.toArray();
  var length = iterable.length || 0, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}

if (Prototype.Browser.WebKit) {
  $A = function(iterable) {
    if (!iterable) return [];
    if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&
        iterable.toArray) return iterable.toArray();
    var length = iterable.length || 0, results = new Array(length);
    while (length--) results[length] = iterable[length];
    return results;
  };
}

Array.from = $A;

Object.extend(Array.prototype, Enumerable);

if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;

Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  },

  clear: function() {
    this.length = 0;
    return this;
  },

  first: function() {
    return this[0];
  },

  last: function() {
    return this[this.length - 1];
  },

  compact: function() {
    return this.select(function(value) {
      return value != null;
    });
  },

  flatten: function() {
    return this.inject([], function(array, value) {
      return array.concat(Object.isArray(value) ?
        value.flatten() : [value]);
    });
  },

  without: function() {
    var values = $A(arguments);
    return this.select(function(value) {
      return !values.include(value);
    });
  },

  reverse: function(inline) {
    return (inline !== false ? this : this.toArray())._reverse();
  },

  reduce: function() {
    return this.length > 1 ? this : this[0];
  },

  uniq: function(sorted) {
    return this.inject([], function(array, value, index) {
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
        array.push(value);
      return array;
    });
  },

  intersect: function(array) {
    return this.uniq().findAll(function(item) {
      return array.detect(function(value) { return item === value });
    });
  },

  clone: function() {
    return [].concat(this);
  },

  size: function() {
    return this.length;
  },

  inspect: function() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  },

  toJSON: function() {
    var results = [];
    this.each(function(object) {
      var value = Object.toJSON(object);
      if (!Object.isUndefined(value)) results.push(value);
    });
    return '[' + results.join(', ') + ']';
  }
});

// use native browser JS 1.6 implementation if available
if (Object.isFunction(Array.prototype.forEach))
  Array.prototype._each = Array.prototype.forEach;

if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
  i || (i = 0);
  var length = this.length;
  if (i < 0) i = length + i;
  for (; i < length; i++)
    if (this[i] === item) return i;
  return -1;
};

if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
  i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
  var n = this.slice(0, i).reverse().indexOf(item);
  return (n < 0) ? n : i - n - 1;
};

Array.prototype.toArray = Array.prototype.clone;

function $w(string) {
  if (!Object.isString(string)) return [];
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

if (Prototype.Browser.Opera){
  Array.prototype.concat = function() {
    var array = [];
    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
    for (var i = 0, length = arguments.length; i < length; i++) {
      if (Object.isArray(arguments[i])) {
        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
          array.push(arguments[i][j]);
      } else {
        array.push(arguments[i]);
      }
    }
    return array;
  };
}
Object.extend(Number.prototype, {
  toColorPart: function() {
    return this.toPaddedString(2, 16);
  },

  succ: function() {
    return this + 1;
  },

  times: function(iterator) {
    $R(0, this, true).each(iterator);
    return this;
  },

  toPaddedString: function(length, radix) {
    var string = this.toString(radix || 10);
    return '0'.times(length - string.length) + string;
  },

  toJSON: function() {
    return isFinite(this) ? this.toString() : 'null';
  }
});

$w('abs round ceil floor').each(function(method){
  Number.prototype[method] = Math[method].methodize();
});
function $H(object) {
  return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {

  function toQueryPair(key, value) {
    if (Object.isUndefined(value)) return key;
    return key + '=' + encodeURIComponent(String.interpret(value));
  }

  return {
    initialize: function(object) {
      this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
    },

    _each: function(iterator) {
      for (var key in this._object) {
        var value = this._object[key], pair = [key, value];
        pair.key = key;
        pair.value = value;
        iterator(pair);
      }
    },

    set: function(key, value) {
      return this._object[key] = value;
    },

    get: function(key) {
      return this._object[key];
    },

    unset: function(key) {
      var value = this._object[key];
      delete this._object[key];
      return value;
    },

    toObject: function() {
      return Object.clone(this._object);
    },

    keys: function() {
      return this.pluck('key');
    },

    values: function() {
      return this.pluck('value');
    },

    index: function(value) {
      var match = this.detect(function(pair) {
        return pair.value === value;
      });
      return match && match.key;
    },

    merge: function(object) {
      return this.clone().update(object);
    },

    update: function(object) {
      return new Hash(object).inject(this, function(result, pair) {
        result.set(pair.key, pair.value);
        return result;
      });
    },

    toQueryString: function() {
      return this.map(function(pair) {
        var key = encodeURIComponent(pair.key), values = pair.value;

        if (values && typeof values == 'object') {
          if (Object.isArray(values))
            return values.map(toQueryPair.curry(key)).join('&');
        }
        return toQueryPair(key, values);
      }).join('&');
    },

    inspect: function() {
      return '#<Hash:{' + this.map(function(pair) {
        return pair.map(Object.inspect).join(': ');
      }).join(', ') + '}>';
    },

    toJSON: function() {
      return Object.toJSON(this.toObject());
    },

    clone: function() {
      return new Hash(this);
    }
  }
})());

Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
Hash.from = $H;
var ObjectRange = Class.create(Enumerable, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

  _each: function(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  },

  include: function(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }
});

var $R = function(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
};

var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
};

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responder) {
    if (!this.include(responder))
      this.responders.push(responder);
  },

  unregister: function(responder) {
    this.responders = this.responders.without(responder);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (Object.isFunction(responder[callback])) {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) { }
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate:   function() { Ajax.activeRequestCount++ },
  onComplete: function() { Ajax.activeRequestCount-- }
});

Ajax.Base = Class.create({
  initialize: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      encoding:     'UTF-8',
      parameters:   '',
      evalJSON:     true,
      evalJS:       true
    };
    Object.extend(this.options, options || { });

    this.options.method = this.options.method.toLowerCase();

    if (Object.isString(this.options.parameters))
      this.options.parameters = this.options.parameters.toQueryParams();
    else if (Object.isHash(this.options.parameters))
      this.options.parameters = this.options.parameters.toObject();
  }
});

Ajax.Request = Class.create(Ajax.Base, {
  _complete: false,

  initialize: function($super, url, options) {
    $super(options);
    this.transport = Ajax.getTransport();
    this.request(url);
  },

  request: function(url) {
    this.url = url;
    this.method = this.options.method;
    var params = Object.clone(this.options.parameters);

    if (!['get', 'post'].include(this.method)) {
      // simulate other verbs over post
      params['_method'] = this.method;
      this.method = 'post';
    }

    this.parameters = params;

    if (params = Object.toQueryString(params)) {
      // when GET, append parameters to URL
      if (this.method == 'get')
        this.url += (this.url.include('?') ? '&' : '?') + params;
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
        params += '&_=';
    }

    try {
      var response = new Ajax.Response(this);
      if (this.options.onCreate) this.options.onCreate(response);
      Ajax.Responders.dispatch('onCreate', this, response);

      this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
      this.transport.send(this.body);

      /* Force Firefox to handle ready state 4 for synchronous requests */
      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    }
    catch (e) {
      this.dispatchException(e);
    }
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState > 1 && !((readyState == 4) && this._complete))
      this.respondToReadyState(this.transport.readyState);
  },

  setRequestHeaders: function() {
    var headers = {
      'X-Requested-With': 'XMLHttpRequest',
      'X-Prototype-Version': Prototype.Version,
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    };

    if (this.method == 'post') {
      headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');

      /* Force "Connection: close" for older Mozilla browsers to work
       * around a bug where XMLHttpRequest sends an incorrect
       * Content-length header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
            headers['Connection'] = 'close';
    }

    // user-defined headers
    if (typeof this.options.requestHeaders == 'object') {
      var extras = this.options.requestHeaders;

      if (Object.isFunction(extras.push))
        for (var i = 0, length = extras.length; i < length; i += 2)
          headers[extras[i]] = extras[i+1];
      else
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
    }

    for (var name in headers)
      this.transport.setRequestHeader(name, headers[name]);
  },

  success: function() {
    var status = this.getStatus();
    return !status || (status >= 200 && status < 300);
  },

  getStatus: function() {
    try {
      return this.transport.status || 0;
    } catch (e) { return 0 }
  },

  respondToReadyState: function(readyState) {
    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);

    if (state == 'Complete') {
      try {
        this._complete = true;
        (this.options['on' + response.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(response, response.headerJSON);
      } catch (e) {
        this.dispatchException(e);
      }

      var contentType = response.getHeader('Content-type');
      if (this.options.evalJS == 'force'
          || (this.options.evalJS && this.isSameOrigin() && contentType
          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
        this.evalResponse();
    }

    try {
      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
    } catch (e) {
      this.dispatchException(e);
    }

    if (state == 'Complete') {
      // avoid memory leak in MSIE: clean up
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  isSameOrigin: function() {
    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
      protocol: location.protocol,
      domain: document.domain,
      port: location.port ? ':' + location.port : ''
    }));
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name) || null;
    } catch (e) { return null }
  },

  evalResponse: function() {
    try {
      return eval((this.transport.responseText || '').unfilterJSON());
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Response = Class.create({
  initialize: function(request){
    this.request = request;
    var transport  = this.transport  = request.transport,
        readyState = this.readyState = transport.readyState;

    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
      this.status       = this.getStatus();
      this.statusText   = this.getStatusText();
      this.responseText = String.interpret(transport.responseText);
      this.headerJSON   = this._getHeaderJSON();
    }

    if(readyState == 4) {
      var xml = transport.responseXML;
      this.responseXML  = Object.isUndefined(xml) ? null : xml;
      this.responseJSON = this._getResponseJSON();
    }
  },

  status:      0,
  statusText: '',

  getStatus: Ajax.Request.prototype.getStatus,

  getStatusText: function() {
    try {
      return this.transport.statusText || '';
    } catch (e) { return '' }
  },

  getHeader: Ajax.Request.prototype.getHeader,

  getAllHeaders: function() {
    try {
      return this.getAllResponseHeaders();
    } catch (e) { return null }
  },

  getResponseHeader: function(name) {
    return this.transport.getResponseHeader(name);
  },

  getAllResponseHeaders: function() {
    return this.transport.getAllResponseHeaders();
  },

  _getHeaderJSON: function() {
    var json = this.getHeader('X-JSON');
    if (!json) return null;
    json = decodeURIComponent(escape(json));
    try {
      return json.evalJSON(this.request.options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  },

  _getResponseJSON: function() {
    var options = this.request.options;
    if (!options.evalJSON || (options.evalJSON != 'force' &&
      !(this.getHeader('Content-type') || '').include('application/json')) ||
        this.responseText.blank())
          return null;
    try {
      return this.responseText.evalJSON(options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  }
});

Ajax.Updater = Class.create(Ajax.Request, {
  initialize: function($super, container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    };

    options = Object.clone(options);
    var onComplete = options.onComplete;
    options.onComplete = (function(response, json) {
      this.updateContent(response.responseText);
      if (Object.isFunction(onComplete)) onComplete(response, json);
    }).bind(this);

    $super(url, options);
  },

  updateContent: function(responseText) {
    var receiver = this.container[this.success() ? 'success' : 'failure'],
        options = this.options;

    if (!options.evalScripts) responseText = responseText.stripScripts();

    if (receiver = $(receiver)) {
      if (options.insertion) {
        if (Object.isString(options.insertion)) {
          var insertion = { }; insertion[options.insertion] = responseText;
          receiver.insert(insertion);
        }
        else options.insertion(receiver, responseText);
      }
      else receiver.update(responseText);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
  initialize: function($super, container, url, options) {
    $super(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = { };
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(response) {
    if (this.options.decay) {
      this.decay = (response.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = response.responseText;
    }
    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});
function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (Object.isString(element))
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(Element.extend(query.snapshotItem(i)));
    return results;
  };
}

/*--------------------------------------------------------------------------*/

if (!window.Node) var Node = { };

if (!Node.ELEMENT_NODE) {
  // DOM level 2 ECMAScript Language Binding
  Object.extend(Node, {
    ELEMENT_NODE: 1,
    ATTRIBUTE_NODE: 2,
    TEXT_NODE: 3,
    CDATA_SECTION_NODE: 4,
    ENTITY_REFERENCE_NODE: 5,
    ENTITY_NODE: 6,
    PROCESSING_INSTRUCTION_NODE: 7,
    COMMENT_NODE: 8,
    DOCUMENT_NODE: 9,
    DOCUMENT_TYPE_NODE: 10,
    DOCUMENT_FRAGMENT_NODE: 11,
    NOTATION_NODE: 12
  });
}

(function() {
  var element = this.Element;
  this.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;
    if (Prototype.Browser.IE && attributes.name) {
      tagName = '<' + tagName + ' name="' + attributes.name + '">';
      delete attributes.name;
      return Element.writeAttribute(document.createElement(tagName), attributes);
    }
    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
    return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
  };
  Object.extend(this.Element, element || { });
}).call(window);

Element.cache = { };

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },

  hide: function(element) {
    $(element).style.display = 'none';
    return element;
  },

  show: function(element) {
    $(element).style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);
    content = Object.toHTML(content);
    element.innerHTML = content.stripScripts();
    content.evalScripts.bind(content).defer();
    return element;
  },

  replace: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    else if (!Object.isElement(content)) {
      content = Object.toHTML(content);
      var range = element.ownerDocument.createRange();
      range.selectNode(element);
      content.evalScripts.bind(content).defer();
      content = range.createContextualFragment(content.stripScripts());
    }
    element.parentNode.replaceChild(content, element);
    return element;
  },

  insert: function(element, insertions) {
    element = $(element);

    if (Object.isString(insertions) || Object.isNumber(insertions) ||
        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
          insertions = {bottom:insertions};

    var content, insert, tagName, childNodes;

    for (var position in insertions) {
      content  = insertions[position];
      position = position.toLowerCase();
      insert = Element._insertionTranslations[position];

      if (content && content.toElement) content = content.toElement();
      if (Object.isElement(content)) {
        insert(element, content);
        continue;
      }

      content = Object.toHTML(content);

      tagName = ((position == 'before' || position == 'after')
        ? element.parentNode : element).tagName.toUpperCase();

      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());

      if (position == 'top' || position == 'after') childNodes.reverse();
      childNodes.each(insert.curry(element));

      content.evalScripts.bind(content).defer();
    }

    return element;
  },

  wrap: function(element, wrapper, attributes) {
    element = $(element);
    if (Object.isElement(wrapper))
      $(wrapper).writeAttribute(attributes || { });
    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
    else wrapper = new Element('div', wrapper);
    if (element.parentNode)
      element.parentNode.replaceChild(wrapper, element);
    wrapper.appendChild(element);
    return wrapper;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(), attribute = pair.last();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return $(element).recursivelyCollect('parentNode');
  },

  descendants: function(element) {
    return $(element).select("*");
  },

  firstDescendant: function(element) {
    element = $(element).firstChild;
    while (element && element.nodeType != 1) element = element.nextSibling;
    return $(element);
  },

  immediateDescendants: function(element) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

  previousSiblings: function(element) {
    return $(element).recursivelyCollect('previousSibling');
  },

  nextSiblings: function(element) {
    return $(element).recursivelyCollect('nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return element.previousSiblings().reverse().concat(element.nextSiblings());
  },

  match: function(element, selector) {
    if (Object.isString(selector))
      selector = new Selector(selector);
    return selector.match($(element));
  },

  up: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(element.parentNode);
    var ancestors = element.ancestors();
    return Object.isNumber(expression) ? ancestors[expression] :
      Selector.findElement(ancestors, expression, index);
  },

  down: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return element.firstDescendant();
    return Object.isNumber(expression) ? element.descendants()[expression] :
      element.select(expression)[index || 0];
  },

  previous: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
    var previousSiblings = element.previousSiblings();
    return Object.isNumber(expression) ? previousSiblings[expression] :
      Selector.findElement(previousSiblings, expression, index);
  },

  next: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
    var nextSiblings = element.nextSiblings();
    return Object.isNumber(expression) ? nextSiblings[expression] :
      Selector.findElement(nextSiblings, expression, index);
  },

  select: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element, args);
  },

  adjacent: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element.parentNode, args).without(element);
  },

  identify: function(element) {
    element = $(element);
    var id = element.readAttribute('id'), self = arguments.callee;
    if (id) return id;
    do { id = 'anonymous_element_' + self.counter++ } while ($(id));
    element.writeAttribute('id', id);
    return id;
  },

  readAttribute: function(element, name) {
    element = $(element);
    if (Prototype.Browser.IE) {
      var t = Element._attributeTranslations.read;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name]) name = t.names[name];
      if (name.include(':')) {
        return (!element.attributes || !element.attributes[name]) ? null :
         element.attributes[name].value;
      }
    }
    return element.getAttribute(name);
  },

  writeAttribute: function(element, name, value) {
    element = $(element);
    var attributes = { }, t = Element._attributeTranslations.write;

    if (typeof name == 'object') attributes = name;
    else attributes[name] = Object.isUndefined(value) ? true : value;

    for (var attr in attributes) {
      name = t.names[attr] || attr;
      value = attributes[attr];
      if (t.values[attr]) name = t.values[attr](element, value);
      if (value === false || value === null)
        element.removeAttribute(name);
      else if (value === true)
        element.setAttribute(name, name);
      else element.setAttribute(name, value);
    }
    return element;
  },

  getHeight: function(element) {
    return $(element).getDimensions().height;
  },

  getWidth: function(element) {
    return $(element).getDimensions().width;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    var elementClassName = element.className;
    return (elementClassName.length > 0 && (elementClassName == className ||
      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    if (!element.hasClassName(className))
      element.className += (element.className ? ' ' : '') + className;
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    element.className = element.className.replace(
      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    return element[element.hasClassName(className) ?
      'removeClassName' : 'addClassName'](className);
  },

  // removes whitespace-only text node children
  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.blank();
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);
    var originalAncestor = ancestor;

    if (element.compareDocumentPosition)
      return (element.compareDocumentPosition(ancestor) & 8) === 8;

    if (element.sourceIndex && !Prototype.Browser.Opera) {
      var e = element.sourceIndex, a = ancestor.sourceIndex,
       nextAncestor = ancestor.nextSibling;
      if (!nextAncestor) {
        do { ancestor = ancestor.parentNode; }
        while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);
      }
      if (nextAncestor && nextAncestor.sourceIndex)
       return (e > a && e < nextAncestor.sourceIndex);
    }

    while (element = element.parentNode)
      if (element == originalAncestor) return true;
    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = element.cumulativeOffset();
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value) {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
    return value == 'auto' ? null : value;
  },

  getOpacity: function(element) {
    return $(element).getStyle('opacity');
  },

  setStyle: function(element, styles) {
    element = $(element);
    var elementStyle = element.style, match;
    if (Object.isString(styles)) {
      element.style.cssText += ';' + styles;
      return styles.include('opacity') ?
        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
    }
    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property]);
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
            property] = styles[property];

    return element;
  },

  setOpacity: function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
    return element;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = $(element).getStyle('display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    // All *Width and *Height properties give 0 on elements with display none,
    // so enable the element temporarily
    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      // Opera returns the offset relative to the positioning context, when an
      // element is position relative but top and left have not been defined
      if (window.opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
    if (element._overflow !== 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (element.tagName == 'BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p !== 'static') break;
      }
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  absolutize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'absolute') return;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    var offsets = element.positionedOffset();
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
    return element;
  },

  relativize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'relative') return;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
    return element;
  },

  cumulativeScrollOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  getOffsetParent: function(element) {
    if (element.offsetParent) return $(element.offsetParent);
    if (element == document.body) return $(element);

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return $(element);

    return $(document.body);
  },

  viewportOffset: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      // Safari fix
      if (element.offsetParent == document.body &&
        Element.getStyle(element, 'position') == 'absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!Prototype.Browser.Opera || element.tagName == 'BODY') {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return Element._returnOffset(valueL, valueT);
  },

  clonePosition: function(element, source) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || { });

    // find page position of source
    source = $(source);
    var p = source.viewportOffset();

    // find coordinate system to use
    element = $(element);
    var delta = [0, 0];
    var parent = null;
    // delta [0,0] will do fine with position: fixed elements,
    // position:absolute needs offsetParent deltas
    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = element.getOffsetParent();
      delta = parent.viewportOffset();
    }

    // correct by body offsets (fixes Safari)
    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    // set position
    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
    return element;
  }
};

Element.Methods.identify.counter = 1;

Object.extend(Element.Methods, {
  getElementsBySelector: Element.Methods.select,
  childElements: Element.Methods.immediateDescendants
});

Element._attributeTranslations = {
  write: {
    names: {
      className: 'class',
      htmlFor:   'for'
    },
    values: { }
  }
};

if (Prototype.Browser.Opera) {
  Element.Methods.getStyle = Element.Methods.getStyle.wrap(
    function(proceed, element, style) {
      switch (style) {
        case 'left': case 'top': case 'right': case 'bottom':
          if (proceed(element, 'position') === 'static') return null;
        case 'height': case 'width':
          // returns '0px' for hidden elements; we want it to return null
          if (!Element.visible(element)) return null;

          // returns the border-box dimensions rather than the content-box
          // dimensions, so we subtract padding and borders from the value
          var dim = parseInt(proceed(element, style), 10);

          if (dim !== element['offset' + style.capitalize()])
            return dim + 'px';

          var properties;
          if (style === 'height') {
            properties = ['border-top-width', 'padding-top',
             'padding-bottom', 'border-bottom-width'];
          }
          else {
            properties = ['border-left-width', 'padding-left',
             'padding-right', 'border-right-width'];
          }
          return properties.inject(dim, function(memo, property) {
            var val = proceed(element, property);
            return val === null ? memo : memo - parseInt(val, 10);
          }) + 'px';
        default: return proceed(element, style);
      }
    }
  );

  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
    function(proceed, element, attribute) {
      if (attribute === 'title') return element.title;
      return proceed(element, attribute);
    }
  );
}

else if (Prototype.Browser.IE) {
  // IE doesn't report offsets correctly for static elements, so we change them
  // to "relative" to get the values, then change them back.
  Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
    function(proceed, element) {
      element = $(element);
      var position = element.getStyle('position');
      if (position !== 'static') return proceed(element);
      element.setStyle({ position: 'relative' });
      var value = proceed(element);
      element.setStyle({ position: position });
      return value;
    }
  );

  $w('positionedOffset viewportOffset').each(function(method) {
    Element.Methods[method] = Element.Methods[method].wrap(
      function(proceed, element) {
        element = $(element);
        var position = element.getStyle('position');
        if (position !== 'static') return proceed(element);
        // Trigger hasLayout on the offset parent so that IE6 reports
        // accurate offsetTop and offsetLeft values for position: fixed.
        var offsetParent = element.getOffsetParent();
        if (offsetParent && offsetParent.getStyle('position') === 'fixed')
          offsetParent.setStyle({ zoom: 1 });
        element.setStyle({ position: 'relative' });
        var value = proceed(element);
        element.setStyle({ position: position });
        return value;
      }
    );
  });

  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

    if (style == 'opacity') {
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if (value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }

    if (value == 'auto') {
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
        return element['offset' + style.capitalize()] + 'px';
      return null;
    }
    return value;
  };

  Element.Methods.setOpacity = function(element, value) {
    function stripAlpha(filter){
      return filter.replace(/alpha\([^\)]*\)/gi,'');
    }
    element = $(element);
    var currentStyle = element.currentStyle;
    if ((currentStyle && !currentStyle.hasLayout) ||
      (!currentStyle && element.style.zoom == 'normal'))
        element.style.zoom = 1;

    var filter = element.getStyle('filter'), style = element.style;
    if (value == 1 || value === '') {
      (filter = stripAlpha(filter)) ?
        style.filter = filter : style.removeAttribute('filter');
      return element;
    } else if (value < 0.00001) value = 0;
    style.filter = stripAlpha(filter) +
      'alpha(opacity=' + (value * 100) + ')';
    return element;
  };

  Element._attributeTranslations = {
    read: {
      names: {
        'class': 'className',
        'for':   'htmlFor'
      },
      values: {
        _getAttr: function(element, attribute) {
          return element.getAttribute(attribute, 2);
        },
        _getAttrNode: function(element, attribute) {
          var node = element.getAttributeNode(attribute);
          return node ? node.value : "";
        },
        _getEv: function(element, attribute) {
          attribute = element.getAttribute(attribute);
          return attribute ? attribute.toString().slice(23, -2) : null;
        },
        _flag: function(element, attribute) {
          return $(element).hasAttribute(attribute) ? attribute : null;
        },
        style: function(element) {
          return element.style.cssText.toLowerCase();
        },
        title: function(element) {
          return element.title;
        }
      }
    }
  };

  Element._attributeTranslations.write = {
    names: Object.extend({
      cellpadding: 'cellPadding',
      cellspacing: 'cellSpacing'
    }, Element._attributeTranslations.read.names),
    values: {
      checked: function(element, value) {
        element.checked = !!value;
      },

      style: function(element, value) {
        element.style.cssText = value ? value : '';
      }
    }
  };

  Element._attributeTranslations.has = {};

  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
      'encType maxLength readOnly longDesc').each(function(attr) {
    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  });

  (function(v) {
    Object.extend(v, {
      href:        v._getAttr,
      src:         v._getAttr,
      type:        v._getAttr,
      action:      v._getAttrNode,
      disabled:    v._flag,
      checked:     v._flag,
      readonly:    v._flag,
      multiple:    v._flag,
      onload:      v._getEv,
      onunload:    v._getEv,
      onclick:     v._getEv,
      ondblclick:  v._getEv,
      onmousedown: v._getEv,
      onmouseup:   v._getEv,
      onmouseover: v._getEv,
      onmousemove: v._getEv,
      onmouseout:  v._getEv,
      onfocus:     v._getEv,
      onblur:      v._getEv,
      onkeypress:  v._getEv,
      onkeydown:   v._getEv,
      onkeyup:     v._getEv,
      onsubmit:    v._getEv,
      onreset:     v._getEv,
      onselect:    v._getEv,
      onchange:    v._getEv
    });
  })(Element._attributeTranslations.read.values);
}

else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
    return element;
  };
}

else if (Prototype.Browser.WebKit) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;

    if (value == 1)
      if(element.tagName == 'IMG' && element.width) {
        element.width++; element.width--;
      } else try {
        var n = document.createTextNode(' ');
        element.appendChild(n);
        element.removeChild(n);
      } catch (e) { }

    return element;
  };

  // Safari returns margins on body which is incorrect if the child is absolutely
  // positioned.  For performance reasons, redefine Element#cumulativeOffset for
  // KHTML/WebKit only.
  Element.Methods.cumulativeOffset = function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == document.body)
        if (Element.getStyle(element, 'position') == 'absolute') break;

      element = element.offsetParent;
    } while (element);

    return Element._returnOffset(valueL, valueT);
  };
}

if (Prototype.Browser.IE || Prototype.Browser.Opera) {
  // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
  Element.Methods.update = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);

    content = Object.toHTML(content);
    var tagName = element.tagName.toUpperCase();

    if (tagName in Element._insertionTranslations.tags) {
      $A(element.childNodes).each(function(node) { element.removeChild(node) });
      Element._getContentFromAnonymousElement(tagName, content.stripScripts())
        .each(function(node) { element.appendChild(node) });
    }
    else element.innerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

if ('outerHTML' in document.createElement('div')) {
  Element.Methods.replace = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) {
      element.parentNode.replaceChild(content, element);
      return element;
    }

    content = Object.toHTML(content);
    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();

    if (Element._insertionTranslations.tags[tagName]) {
      var nextSibling = element.next();
      var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
      parent.removeChild(element);
      if (nextSibling)
        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
      else
        fragments.each(function(node) { parent.appendChild(node) });
    }
    else element.outerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

Element._returnOffset = function(l, t) {
  var result = [l, t];
  result.left = l;
  result.top = t;
  return result;
};

Element._getContentFromAnonymousElement = function(tagName, html) {
  var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
  if (t) {
    div.innerHTML = t[0] + html + t[1];
    t[2].times(function() { div = div.firstChild });
  } else div.innerHTML = html;
  return $A(div.childNodes);
};

Element._insertionTranslations = {
  before: function(element, node) {
    element.parentNode.insertBefore(node, element);
  },
  top: function(element, node) {
    element.insertBefore(node, element.firstChild);
  },
  bottom: function(element, node) {
    element.appendChild(node);
  },
  after: function(element, node) {
    element.parentNode.insertBefore(node, element.nextSibling);
  },
  tags: {
    TABLE:  ['<table>',                '</table>',                   1],
    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
    SELECT: ['<select>',               '</select>',                  1]
  }
};

(function() {
  Object.extend(this.tags, {
    THEAD: this.tags.TBODY,
    TFOOT: this.tags.TBODY,
    TH:    this.tags.TD
  });
}).call(Element._insertionTranslations);

Element.Methods.Simulated = {
  hasAttribute: function(element, attribute) {
    attribute = Element._attributeTranslations.has[attribute] || attribute;
    var node = $(element).getAttributeNode(attribute);
    return node && node.specified;
  }
};

Element.Methods.ByTag = { };

Object.extend(Element, Element.Methods);

if (!Prototype.BrowserFeatures.ElementExtensions &&
    document.createElement('div').__proto__) {
  window.HTMLElement = { };
  window.HTMLElement.prototype = document.createElement('div').__proto__;
  Prototype.BrowserFeatures.ElementExtensions = true;
}

Element.extend = (function() {
  if (Prototype.BrowserFeatures.SpecificElementExtensions)
    return Prototype.K;

  var Methods = { }, ByTag = Element.Methods.ByTag;

  var extend = Object.extend(function(element) {
    if (!element || element._extendedByPrototype ||
        element.nodeType != 1 || element == window) return element;

    var methods = Object.clone(Methods),
      tagName = element.tagName, property, value;

    // extend methods for specific tags
    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);

    for (property in methods) {
      value = methods[property];
      if (Object.isFunction(value) && !(property in element))
        element[property] = value.methodize();
    }

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

  }, {
    refresh: function() {
      // extend methods for all tags (Safari doesn't need this)
      if (!Prototype.BrowserFeatures.ElementExtensions) {
        Object.extend(Methods, Element.Methods);
        Object.extend(Methods, Element.Methods.Simulated);
      }
    }
  });

  extend.refresh();
  return extend;
})();

Element.hasAttribute = function(element, attribute) {
  if (element.hasAttribute) return element.hasAttribute(attribute);
  return Element.Methods.Simulated.hasAttribute(element, attribute);
};

Element.addMethods = function(methods) {
  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;

  if (!methods) {
    Object.extend(Form, Form.Methods);
    Object.extend(Form.Element, Form.Element.Methods);
    Object.extend(Element.Methods.ByTag, {
      "FORM":     Object.clone(Form.Methods),
      "INPUT":    Object.clone(Form.Element.Methods),
      "SELECT":   Object.clone(Form.Element.Methods),
      "TEXTAREA": Object.clone(Form.Element.Methods)
    });
  }

  if (arguments.length == 2) {
    var tagName = methods;
    methods = arguments[1];
  }

  if (!tagName) Object.extend(Element.Methods, methods || { });
  else {
    if (Object.isArray(tagName)) tagName.each(extend);
    else extend(tagName);
  }

  function extend(tagName) {
    tagName = tagName.toUpperCase();
    if (!Element.Methods.ByTag[tagName])
      Element.Methods.ByTag[tagName] = { };
    Object.extend(Element.Methods.ByTag[tagName], methods);
  }

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;
    for (var property in methods) {
      var value = methods[property];
      if (!Object.isFunction(value)) continue;
      if (!onlyIfAbsent || !(property in destination))
        destination[property] = value.methodize();
    }
  }

  function findDOMClass(tagName) {
    var klass;
    var trans = {
      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
      "FrameSet", "IFRAME": "IFrame"
    };
    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName.capitalize() + 'Element';
    if (window[klass]) return window[klass];

    window[klass] = { };
    window[klass].prototype = document.createElement(tagName).__proto__;
    return window[klass];
  }

  if (F.ElementExtensions) {
    copy(Element.Methods, HTMLElement.prototype);
    copy(Element.Methods.Simulated, HTMLElement.prototype, true);
  }

  if (F.SpecificElementExtensions) {
    for (var tag in Element.Methods.ByTag) {
      var klass = findDOMClass(tag);
      if (Object.isUndefined(klass)) continue;
      copy(T[tag], klass.prototype);
    }
  }

  Object.extend(Element, Element.Methods);
  delete Element.ByTag;

  if (Element.extend.refresh) Element.extend.refresh();
  Element.cache = { };
};

document.viewport = {
  getDimensions: function() {
    var dimensions = { };
    var B = Prototype.Browser;
    $w('width height').each(function(d) {
      var D = d.capitalize();
      dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] :
        (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D];
    });
    return dimensions;
  },

  getWidth: function() {
    return this.getDimensions().width;
  },

  getHeight: function() {
    return this.getDimensions().height;
  },

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
  }
};
/* Portions of the Selector class are derived from Jack Slocumâ€™s DomQuery,
 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
 * license.  Please see http://www.yui-ext.com/ for more information. */

var Selector = Class.create({
  initialize: function(expression) {
    this.expression = expression.strip();
    this.compileMatcher();
  },

  shouldUseXPath: function() {
    if (!Prototype.BrowserFeatures.XPath) return false;

    var e = this.expression;

    // Safari 3 chokes on :*-of-type and :empty
    if (Prototype.Browser.WebKit &&
     (e.include("-of-type") || e.include(":empty")))
      return false;

    // XPath can't do namespaced attributes, nor can it read
    // the "checked" property from DOM nodes
    if ((/(\[[\w-]*?:|:checked)/).test(this.expression))
      return false;

    return true;
  },

  compileMatcher: function() {
    if (this.shouldUseXPath())
      return this.compileXPathMatcher();

    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m;

    if (Selector._cache[e]) {
      this.matcher = Selector._cache[e];
      return;
    }

    this.matcher = ["this.matcher = function(root) {",
                    "var r = root, h = Selector.handlers, c = false, n;"];

    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
    	      new Template(c[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.matcher.push("return h.unique(n);\n}");
    eval(this.matcher.join('\n'));
    Selector._cache[this.expression] = this.matcher;
  },

  compileXPathMatcher: function() {
    var e = this.expression, ps = Selector.patterns,
        x = Selector.xpath, le, m;

    if (Selector._cache[e]) {
      this.xpath = Selector._cache[e]; return;
    }

    this.matcher = ['.//*'];
    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        if (m = e.match(ps[i])) {
          this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
            new Template(x[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.xpath = this.matcher.join('');
    Selector._cache[this.expression] = this.xpath;
  },

  findElements: function(root) {
    root = root || document;
    if (this.xpath) return document._getElementsByXPath(this.xpath, root);
    return this.matcher(root);
  },

  match: function(element) {
    this.tokens = [];

    var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
    var le, p, m;

    while (e && le !== e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          // use the Selector.assertions methods unless the selector
          // is too complex.
          if (as[i]) {
            this.tokens.push([i, Object.clone(m)]);
            e = e.replace(m[0], '');
          } else {
            // reluctantly do a document-wide search
            // and look for a match in the array
            return this.findElements(document).include(element);
          }
        }
      }
    }

    var match = true, name, matches;
    for (var i = 0, token; token = this.tokens[i]; i++) {
      name = token[0], matches = token[1];
      if (!Selector.assertions[name](element, matches)) {
        match = false; break;
      }
    }

    return match;
  },

  toString: function() {
    return this.expression;
  },

  inspect: function() {
    return "#<Selector:" + this.expression.inspect() + ">";
  }
});

Object.extend(Selector, {
  _cache: { },

  xpath: {
    descendant:   "//*",
    child:        "/*",
    adjacent:     "/following-sibling::*[1]",
    laterSibling: '/following-sibling::*',
    tagName:      function(m) {
      if (m[1] == '*') return '';
      return "[local-name()='" + m[1].toLowerCase() +
             "' or local-name()='" + m[1].toUpperCase() + "']";
    },
    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
    id:           "[@id='#{1}']",
    attrPresence: function(m) {
      m[1] = m[1].toLowerCase();
      return new Template("[@#{1}]").evaluate(m);
    },
    attr: function(m) {
      m[1] = m[1].toLowerCase();
      m[3] = m[5] || m[6];
      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
    },
    pseudo: function(m) {
      var h = Selector.xpath.pseudos[m[1]];
      if (!h) return '';
      if (Object.isFunction(h)) return h(m);
      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
    },
    operators: {
      '=':  "[@#{1}='#{3}']",
      '!=': "[@#{1}!='#{3}']",
      '^=': "[starts-with(@#{1}, '#{3}')]",
      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
      '*=': "[contains(@#{1}, '#{3}')]",
      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
    },
    pseudos: {
      'first-child': '[not(preceding-sibling::*)]',
      'last-child':  '[not(following-sibling::*)]',
      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
      'empty':       "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
      'checked':     "[@checked]",
      'disabled':    "[@disabled]",
      'enabled':     "[not(@disabled)]",
      'not': function(m) {
        var e = m[6], p = Selector.patterns,
            x = Selector.xpath, le, v;

        var exclusion = [];
        while (e && le != e && (/\S/).test(e)) {
          le = e;
          for (var i in p) {
            if (m = e.match(p[i])) {
              v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
              e = e.replace(m[0], '');
              break;
            }
          }
        }
        return "[not(" + exclusion.join(" and ") + ")]";
      },
      'nth-child':      function(m) {
        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
      },
      'nth-last-child': function(m) {
        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
      },
      'nth-of-type':    function(m) {
        return Selector.xpath.pseudos.nth("position() ", m);
      },
      'nth-last-of-type': function(m) {
        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
      },
      'first-of-type':  function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
      },
      'last-of-type':   function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
      },
      'only-of-type':   function(m) {
        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
      },
      nth: function(fragment, m) {
        var mm, formula = m[6], predicate;
        if (formula == 'even') formula = '2n+0';
        if (formula == 'odd')  formula = '2n+1';
        if (mm = formula.match(/^(\d+)$/)) // digit only
          return '[' + fragment + "= " + mm[1] + ']';
        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
          if (mm[1] == "-") mm[1] = -1;
          var a = mm[1] ? Number(mm[1]) : 1;
          var b = mm[2] ? Number(mm[2]) : 0;
          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
          "((#{fragment} - #{b}) div #{a} >= 0)]";
          return new Template(predicate).evaluate({
            fragment: fragment, a: a, b: b });
        }
      }
    }
  },

  criteria: {
    tagName:      'n = h.tagName(n, r, "#{1}", c);      c = false;',
    className:    'n = h.className(n, r, "#{1}", c);    c = false;',
    id:           'n = h.id(n, r, "#{1}", c);           c = false;',
    attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
    attr: function(m) {
      m[3] = (m[5] || m[6]);
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
    },
    pseudo: function(m) {
      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
    },
    descendant:   'c = "descendant";',
    child:        'c = "child";',
    adjacent:     'c = "adjacent";',
    laterSibling: 'c = "laterSibling";'
  },

  patterns: {
    // combinators must be listed first
    // (and descendant needs to be last combinator)
    laterSibling: /^\s*~\s*/,
    child:        /^\s*>\s*/,
    adjacent:     /^\s*\+\s*/,
    descendant:   /^\s/,

    // selectors follow
    tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
    id:           /^#([\w\-\*]+)(\b|$)/,
    className:    /^\.([\w\-\*]+)(\b|$)/,
    pseudo:
/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
    attrPresence: /^\[([\w]+)\]/,
    attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
  },

  // for Selector.match and Element#match
  assertions: {
    tagName: function(element, matches) {
      return matches[1].toUpperCase() == element.tagName.toUpperCase();
    },

    className: function(element, matches) {
      return Element.hasClassName(element, matches[1]);
    },

    id: function(element, matches) {
      return element.id === matches[1];
    },

    attrPresence: function(element, matches) {
      return Element.hasAttribute(element, matches[1]);
    },

    attr: function(element, matches) {
      var nodeValue = Element.readAttribute(element, matches[1]);
      return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
    }
  },

  handlers: {
    // UTILITY FUNCTIONS
    // joins two collections
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

    // marks an array of nodes for counting
    mark: function(nodes) {
      var _true = Prototype.emptyFunction;
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = _true;
      return nodes;
    },

    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = undefined;
      return nodes;
    },

    // mark each child node with its position (for nth calls)
    // "ofType" flag indicates whether we're indexing for nth-of-type
    // rather than nth-child
    index: function(parentNode, reverse, ofType) {
      parentNode._countedByPrototype = Prototype.emptyFunction;
      if (reverse) {
        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
          var node = nodes[i];
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
        }
      } else {
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
      }
    },

    // filters out duplicates and extends all nodes
    unique: function(nodes) {
      if (nodes.length == 0) return nodes;
      var results = [], n;
      for (var i = 0, l = nodes.length; i < l; i++)
        if (!(n = nodes[i])._countedByPrototype) {
          n._countedByPrototype = Prototype.emptyFunction;
          results.push(Element.extend(n));
        }
      return Selector.handlers.unmark(results);
    },

    // COMBINATOR FUNCTIONS
    descendant: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, node.getElementsByTagName('*'));
      return results;
    },

    child: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        for (var j = 0, child; child = node.childNodes[j]; j++)
          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
      }
      return results;
    },

    adjacent: function(nodes) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        var next = this.nextElementSibling(node);
        if (next) results.push(next);
      }
      return results;
    },

    laterSibling: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.nextSiblings(node));
      return results;
    },

    nextElementSibling: function(node) {
      while (node = node.nextSibling)
	      if (node.nodeType == 1) return node;
      return null;
    },

    previousElementSibling: function(node) {
      while (node = node.previousSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    // TOKEN FUNCTIONS
    tagName: function(nodes, root, tagName, combinator) {
      var uTagName = tagName.toUpperCase();
      var results = [], h = Selector.handlers;
      if (nodes) {
        if (combinator) {
          // fastlane for ordinary descendant combinators
          if (combinator == "descendant") {
            for (var i = 0, node; node = nodes[i]; i++)
              h.concat(results, node.getElementsByTagName(tagName));
            return results;
          } else nodes = this[combinator](nodes);
          if (tagName == "*") return nodes;
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName.toUpperCase() === uTagName) results.push(node);
        return results;
      } else return root.getElementsByTagName(tagName);
    },

    id: function(nodes, root, id, combinator) {
      var targetNode = $(id), h = Selector.handlers;
      if (!targetNode) return [];
      if (!nodes && root == document) return [targetNode];
      if (nodes) {
        if (combinator) {
          if (combinator == 'child') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (targetNode.parentNode == node) return [targetNode];
          } else if (combinator == 'descendant') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Element.descendantOf(targetNode, node)) return [targetNode];
          } else if (combinator == 'adjacent') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Selector.handlers.previousElementSibling(targetNode) == node)
                return [targetNode];
          } else nodes = h[combinator](nodes);
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node == targetNode) return [targetNode];
        return [];
      }
      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
    },

    className: function(nodes, root, className, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      return Selector.handlers.byClassName(nodes, root, className);
    },

    byClassName: function(nodes, root, className) {
      if (!nodes) nodes = Selector.handlers.descendant([root]);
      var needle = ' ' + className + ' ';
      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
        nodeClassName = node.className;
        if (nodeClassName.length == 0) continue;
        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
          results.push(node);
      }
      return results;
    },

    attrPresence: function(nodes, root, attr, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var results = [];
      for (var i = 0, node; node = nodes[i]; i++)
        if (Element.hasAttribute(node, attr)) results.push(node);
      return results;
    },

    attr: function(nodes, root, attr, value, operator, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var handler = Selector.operators[operator], results = [];
      for (var i = 0, node; node = nodes[i]; i++) {
        var nodeValue = Element.readAttribute(node, attr);
        if (nodeValue === null) continue;
        if (handler(nodeValue, value)) results.push(node);
      }
      return results;
    },

    pseudo: function(nodes, name, value, root, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      if (!nodes) nodes = root.getElementsByTagName("*");
      return Selector.pseudos[name](nodes, value, root);
    }
  },

  pseudos: {
    'first-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.previousElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'last-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.nextElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'only-child': function(nodes, value, root) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
          results.push(node);
      return results;
    },
    'nth-child':        function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root);
    },
    'nth-last-child':   function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true);
    },
    'nth-of-type':      function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, false, true);
    },
    'nth-last-of-type': function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true, true);
    },
    'first-of-type':    function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, false, true);
    },
    'last-of-type':     function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, true, true);
    },
    'only-of-type':     function(nodes, formula, root) {
      var p = Selector.pseudos;
      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
    },

    // handles the an+b logic
    getIndices: function(a, b, total) {
      if (a == 0) return b > 0 ? [b] : [];
      return $R(1, total).inject([], function(memo, i) {
        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
        return memo;
      });
    },

    // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
    nth: function(nodes, formula, root, reverse, ofType) {
      if (nodes.length == 0) return [];
      if (formula == 'even') formula = '2n+0';
      if (formula == 'odd')  formula = '2n+1';
      var h = Selector.handlers, results = [], indexed = [], m;
      h.mark(nodes);
      for (var i = 0, node; node = nodes[i]; i++) {
        if (!node.parentNode._countedByPrototype) {
          h.index(node.parentNode, reverse, ofType);
          indexed.push(node.parentNode);
        }
      }
      if (formula.match(/^\d+$/)) { // just a number
        formula = Number(formula);
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.nodeIndex == formula) results.push(node);
      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
        if (m[1] == "-") m[1] = -1;
        var a = m[1] ? Number(m[1]) : 1;
        var b = m[2] ? Number(m[2]) : 0;
        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
          for (var j = 0; j < l; j++)
            if (node.nodeIndex == indices[j]) results.push(node);
        }
      }
      h.unmark(nodes);
      h.unmark(indexed);
      return results;
    },

    'empty': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        // IE treats comments as element nodes
        if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
        results.push(node);
      }
      return results;
    },

    'not': function(nodes, selector, root) {
      var h = Selector.handlers, selectorType, m;
      var exclusions = new Selector(selector).findElements(root);
      h.mark(exclusions);
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node._countedByPrototype) results.push(node);
      h.unmark(exclusions);
      return results;
    },

    'enabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node.disabled) results.push(node);
      return results;
    },

    'disabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.disabled) results.push(node);
      return results;
    },

    'checked': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.checked) results.push(node);
      return results;
    }
  },

  operators: {
    '=':  function(nv, v) { return nv == v; },
    '!=': function(nv, v) { return nv != v; },
    '^=': function(nv, v) { return nv.startsWith(v); },
    '$=': function(nv, v) { return nv.endsWith(v); },
    '*=': function(nv, v) { return nv.include(v); },
    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
    '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
  },

  split: function(expression) {
    var expressions = [];
    expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
      expressions.push(m[1].strip());
    });
    return expressions;
  },

  matchElements: function(elements, expression) {
    var matches = $$(expression), h = Selector.handlers;
    h.mark(matches);
    for (var i = 0, results = [], element; element = elements[i]; i++)
      if (element._countedByPrototype) results.push(element);
    h.unmark(matches);
    return results;
  },

  findElement: function(elements, expression, index) {
    if (Object.isNumber(expression)) {
      index = expression; expression = false;
    }
    return Selector.matchElements(elements, expression || '*')[index || 0];
  },

  findChildElements: function(element, expressions) {
    expressions = Selector.split(expressions.join(','));
    var results = [], h = Selector.handlers;
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
      selector = new Selector(expressions[i].strip());
      h.concat(results, selector.findElements(element));
    }
    return (l > 1) ? h.unique(results) : results;
  }
});

if (Prototype.Browser.IE) {
  Object.extend(Selector.handlers, {
    // IE returns comment nodes on getElementsByTagName("*").
    // Filter them out.
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        if (node.tagName !== "!") a.push(node);
      return a;
    },

    // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node.removeAttribute('_countedByPrototype');
      return nodes;
    }
  });
}

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}
var Form = {
  reset: function(form) {
    $(form).reset();
    return form;
  },

  serializeElements: function(elements, options) {
    if (typeof options != 'object') options = { hash: !!options };
    else if (Object.isUndefined(options.hash)) options.hash = true;
    var key, value, submitted = false, submit = options.submit;

    var data = elements.inject({ }, function(result, element) {
      if (!element.disabled && element.name) {
        key = element.name; value = $(element).getValue();
        if (value != null && (element.type != 'submit' || (!submitted &&
            submit !== false && (!submit || key == submit) && (submitted = true)))) {
          if (key in result) {
            // a key is already present; construct an array of values
            if (!Object.isArray(result[key])) result[key] = [result[key]];
            result[key].push(value);
          }
          else result[key] = value;
        }
      }
      return result;
    });

    return options.hash ? data : Object.toQueryString(data);
  }
};

Form.Methods = {
  serialize: function(form, options) {
    return Form.serializeElements(Form.getElements(form), options);
  },

  getElements: function(form) {
    return $A($(form).getElementsByTagName('*')).inject([],
      function(elements, child) {
        if (Form.Element.Serializers[child.tagName.toLowerCase()])
          elements.push(Element.extend(child));
        return elements;
      }
    );
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name) return $A(inputs).map(Element.extend);

    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) || (name && input.name != name))
        continue;
      matchingInputs.push(Element.extend(input));
    }

    return matchingInputs;
  },

  disable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('disable');
    return form;
  },

  enable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('enable');
    return form;
  },

  findFirstElement: function(form) {
    var elements = $(form).getElements().findAll(function(element) {
      return 'hidden' != element.type && !element.disabled;
    });
    var firstByIndex = elements.findAll(function(element) {
      return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
    }).sortBy(function(element) { return element.tabIndex }).first();

    return firstByIndex ? firstByIndex : elements.find(function(element) {
      return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    form.findFirstElement().activate();
    return form;
  },

  request: function(form, options) {
    form = $(form), options = Object.clone(options || { });

    var params = options.parameters, action = form.readAttribute('action') || '';
    if (action.blank()) action = window.location.href;
    options.parameters = form.serialize(true);

    if (params) {
      if (Object.isString(params)) params = params.toQueryParams();
      Object.extend(options.parameters, params);
    }

    if (form.hasAttribute('method') && !options.method)
      options.method = form.method;

    return new Ajax.Request(action, options);
  }
};

/*--------------------------------------------------------------------------*/

Form.Element = {
  focus: function(element) {
    $(element).focus();
    return element;
  },

  select: function(element) {
    $(element).select();
    return element;
  }
};

Form.Element.Methods = {
  serialize: function(element) {
    element = $(element);
    if (!element.disabled && element.name) {
      var value = element.getValue();
      if (value != undefined) {
        var pair = { };
        pair[element.name] = value;
        return Object.toQueryString(pair);
      }
    }
    return '';
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    return Form.Element.Serializers[method](element);
  },

  setValue: function(element, value) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    Form.Element.Serializers[method](element, value);
    return element;
  },

  clear: function(element) {
    $(element).value = '';
    return element;
  },

  present: function(element) {
    return $(element).value != '';
  },

  activate: function(element) {
    element = $(element);
    try {
      element.focus();
      if (element.select && (element.tagName.toLowerCase() != 'input' ||
          !['button', 'reset', 'submit'].include(element.type)))
        element.select();
    } catch (e) { }
    return element;
  },

  disable: function(element) {
    element = $(element);
    element.blur();
    element.disabled = true;
    return element;
  },

  enable: function(element) {
    element = $(element);
    element.disabled = false;
    return element;
  }
};

/*--------------------------------------------------------------------------*/

var Field = Form.Element;
var $F = Form.Element.Methods.getValue;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = {
  input: function(element, value) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element, value);
      default:
        return Form.Element.Serializers.textarea(element, value);
    }
  },

  inputSelector: function(element, value) {
    if (Object.isUndefined(value)) return element.checked ? element.value : null;
    else element.checked = !!value;
  },

  textarea: function(element, value) {
    if (Object.isUndefined(value)) return element.value;
    else element.value = value;
  },

  select: function(element, index) {
    if (Object.isUndefined(index))
      return this[element.type == 'select-one' ?
        'selectOne' : 'selectMany'](element);
    else {
      var opt, value, single = !Object.isArray(index);
      for (var i = 0, length = element.length; i < length; i++) {
        opt = element.options[i];
        value = this.optionValue(opt);
        if (single) {
          if (value == index) {
            opt.selected = true;
            return;
          }
        }
        else opt.selected = index.include(value);
      }
    }
  },

  selectOne: function(element) {
    var index = element.selectedIndex;
    return index >= 0 ? this.optionValue(element.options[index]) : null;
  },

  selectMany: function(element) {
    var values, length = element.length;
    if (!length) return null;

    for (var i = 0, values = []; i < length; i++) {
      var opt = element.options[i];
      if (opt.selected) values.push(this.optionValue(opt));
    }
    return values;
  },

  optionValue: function(opt) {
    // extend element because hasAttribute may not be native
    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
  }
};

/*--------------------------------------------------------------------------*/

Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
  initialize: function($super, element, frequency, callback) {
    $super(callback, frequency);
    this.element   = $(element);
    this.lastValue = this.getValue();
  },

  execute: function() {
    var value = this.getValue();
    if (Object.isString(this.lastValue) && Object.isString(value) ?
        this.lastValue != value : String(this.lastValue) != String(value)) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
});

Form.Element.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = Class.create({
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    Form.getElements(this.element).each(this.registerCallback, this);
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          Event.observe(element, 'click', this.onElementEvent.bind(this));
          break;
        default:
          Event.observe(element, 'change', this.onElementEvent.bind(this));
          break;
      }
    }
  }
});

Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
if (!window.Event) var Event = { };

Object.extend(Event, {
  KEY_BACKSPACE: 8,
  KEY_TAB:       9,
  KEY_RETURN:   13,
  KEY_ESC:      27,
  KEY_LEFT:     37,
  KEY_UP:       38,
  KEY_RIGHT:    39,
  KEY_DOWN:     40,
  KEY_DELETE:   46,
  KEY_HOME:     36,
  KEY_END:      35,
  KEY_PAGEUP:   33,
  KEY_PAGEDOWN: 34,
  KEY_INSERT:   45,

  cache: { },

  relatedTarget: function(event) {
    var element;
    switch(event.type) {
      case 'mouseover': element = event.fromElement; break;
      case 'mouseout':  element = event.toElement;   break;
      default: return null;
    }
    return Element.extend(element);
  }
});

Event.Methods = (function() {
  var isButton;

  if (Prototype.Browser.IE) {
    var buttonMap = { 0: 1, 1: 4, 2: 2 };
    isButton = function(event, code) {
      return event.button == buttonMap[code];
    };

  } else if (Prototype.Browser.WebKit) {
    isButton = function(event, code) {
      switch (code) {
        case 0: return event.which == 1 && !event.metaKey;
        case 1: return event.which == 1 && event.metaKey;
        default: return false;
      }
    };

  } else {
    isButton = function(event, code) {
      return event.which ? (event.which === code + 1) : (event.button === code);
    };
  }

  return {
    isLeftClick:   function(event) { return isButton(event, 0) },
    isMiddleClick: function(event) { return isButton(event, 1) },
    isRightClick:  function(event) { return isButton(event, 2) },

    element: function(event) {
      var node = Event.extend(event).target;
      return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node);
    },

    findElement: function(event, expression) {
      var element = Event.element(event);
      if (!expression) return element;
      var elements = [element].concat(element.ancestors());
      return Selector.findElement(elements, expression, 0);
    },

    pointer: function(event) {
      return {
        x: event.pageX || (event.clientX +
          (document.documentElement.scrollLeft || document.body.scrollLeft)),
        y: event.pageY || (event.clientY +
          (document.documentElement.scrollTop || document.body.scrollTop))
      };
    },

    pointerX: function(event) { return Event.pointer(event).x },
    pointerY: function(event) { return Event.pointer(event).y },

    stop: function(event) {
      Event.extend(event);
      event.preventDefault();
      event.stopPropagation();
      event.stopped = true;
    }
  };
})();

Event.extend = (function() {
  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
    m[name] = Event.Methods[name].methodize();
    return m;
  });

  if (Prototype.Browser.IE) {
    Object.extend(methods, {
      stopPropagation: function() { this.cancelBubble = true },
      preventDefault:  function() { this.returnValue = false },
      inspect: function() { return "[object Event]" }
    });

    return function(event) {
      if (!event) return false;
      if (event._extendedByPrototype) return event;

      event._extendedByPrototype = Prototype.emptyFunction;
      var pointer = Event.pointer(event);
      Object.extend(event, {
        target: event.srcElement,
        relatedTarget: Event.relatedTarget(event),
        pageX:  pointer.x,
        pageY:  pointer.y
      });
      return Object.extend(event, methods);
    };

  } else {
    Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__;
    Object.extend(Event.prototype, methods);
    return Prototype.K;
  }
})();

Object.extend(Event, (function() {
  var cache = Event.cache;

  function getEventID(element) {
    if (element._prototypeEventID) return element._prototypeEventID[0];
    arguments.callee.id = arguments.callee.id || 1;
    return element._prototypeEventID = [++arguments.callee.id];
  }

  function getDOMEventName(eventName) {
    if (eventName && eventName.include(':')) return "dataavailable";
    return eventName;
  }

  function getCacheForID(id) {
    return cache[id] = cache[id] || { };
  }

  function getWrappersForEventName(id, eventName) {
    var c = getCacheForID(id);
    return c[eventName] = c[eventName] || [];
  }

  function createWrapper(element, eventName, handler) {
    var id = getEventID(element);
    var c = getWrappersForEventName(id, eventName);
    if (c.pluck("handler").include(handler)) return false;

    var wrapper = function(event) {
      if (!Event || !Event.extend ||
        (event.eventName && event.eventName != eventName))
          return false;

      Event.extend(event);
      handler.call(element, event);
    };

    wrapper.handler = handler;
    c.push(wrapper);
    return wrapper;
  }

  function findWrapper(id, eventName, handler) {
    var c = getWrappersForEventName(id, eventName);
    return c.find(function(wrapper) { return wrapper.handler == handler });
  }

  function destroyWrapper(id, eventName, handler) {
    var c = getCacheForID(id);
    if (!c[eventName]) return false;
    c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
  }

  function destroyCache() {
    for (var id in cache)
      for (var eventName in cache[id])
        cache[id][eventName] = null;
  }

  if (window.attachEvent) {
    window.attachEvent("onunload", destroyCache);
  }

  return {
    observe: function(element, eventName, handler) {
      element = $(element);
      var name = getDOMEventName(eventName);

      var wrapper = createWrapper(element, eventName, handler);
      if (!wrapper) return element;

      if (element.addEventListener) {
        element.addEventListener(name, wrapper, false);
      } else {
        element.attachEvent("on" + name, wrapper);
      }

      return element;
    },

    stopObserving: function(element, eventName, handler) {
      element = $(element);
      var id = getEventID(element), name = getDOMEventName(eventName);

      if (!handler && eventName) {
        getWrappersForEventName(id, eventName).each(function(wrapper) {
          element.stopObserving(eventName, wrapper.handler);
        });
        return element;

      } else if (!eventName) {
        Object.keys(getCacheForID(id)).each(function(eventName) {
          element.stopObserving(eventName);
        });
        return element;
      }

      var wrapper = findWrapper(id, eventName, handler);
      if (!wrapper) return element;

      if (element.removeEventListener) {
        element.removeEventListener(name, wrapper, false);
      } else {
        element.detachEvent("on" + name, wrapper);
      }

      destroyWrapper(id, eventName, handler);

      return element;
    },

    fire: function(element, eventName, memo) {
      element = $(element);
      if (element == document && document.createEvent && !element.dispatchEvent)
        element = document.documentElement;

      var event;
      if (document.createEvent) {
        event = document.createEvent("HTMLEvents");
        event.initEvent("dataavailable", true, true);
      } else {
        event = document.createEventObject();
        event.eventType = "ondataavailable";
      }

      event.eventName = eventName;
      event.memo = memo || { };

      if (document.createEvent) {
        element.dispatchEvent(event);
      } else {
        element.fireEvent(event.eventType, event);
      }

      return Event.extend(event);
    }
  };
})());

Object.extend(Event, Event.Methods);

Element.addMethods({
  fire:          Event.fire,
  observe:       Event.observe,
  stopObserving: Event.stopObserving
});

Object.extend(document, {
  fire:          Element.Methods.fire.methodize(),
  observe:       Element.Methods.observe.methodize(),
  stopObserving: Element.Methods.stopObserving.methodize(),
  loaded:        false
});

(function() {
  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
     Matthias Miller, Dean Edwards and John Resig. */

  var timer;

  function fireContentLoadedEvent() {
    if (document.loaded) return;
    if (timer) window.clearInterval(timer);
    document.fire("dom:loaded");
    document.loaded = true;
  }

  if (document.addEventListener) {
    if (Prototype.Browser.WebKit) {
      timer = window.setInterval(function() {
        if (/loaded|complete/.test(document.readyState))
          fireContentLoadedEvent();
      }, 0);

      Event.observe(window, "load", fireContentLoadedEvent);

    } else {
      document.addEventListener("DOMContentLoaded",
        fireContentLoadedEvent, false);
    }

  } else {
    document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
    $("__onDOMContentLoaded").onreadystatechange = function() {
      if (this.readyState == "complete") {
        this.onreadystatechange = null;
        fireContentLoadedEvent();
      }
    };
  }
})();
/*------------------------------- DEPRECATED -------------------------------*/

Hash.toQueryString = Object.toQueryString;

var Toggle = { display: Element.toggle };

Element.Methods.childOf = Element.Methods.descendantOf;

var Insertion = {
  Before: function(element, content) {
    return Element.insert(element, {before:content});
  },

  Top: function(element, content) {
    return Element.insert(element, {top:content});
  },

  Bottom: function(element, content) {
    return Element.insert(element, {bottom:content});
  },

  After: function(element, content) {
    return Element.insert(element, {after:content});
  }
};

var $continue = new Error('"throw $continue" is deprecated, use "return" instead');

// This should be moved to script.aculo.us; notice the deprecated methods
// further below, that map to the newer Element methods.
var Position = {
  // set to true if needed, warning: firefox performance problems
  // NOT neeeded for page scrolling, only if draggable contained in
  // scrollable elements
  includeScrollOffsets: false,

  // must be called before calling withinIncludingScrolloffset, every time the
  // page is scrolled
  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  // caches x/y coordinate pair to use with overlap
  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = Element.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = Element.cumulativeScrollOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = Element.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  // within must be called directly before
  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },

  // Deprecation layer -- use newer Element methods now (1.5.2).

  cumulativeOffset: Element.Methods.cumulativeOffset,

  positionedOffset: Element.Methods.positionedOffset,

  absolutize: function(element) {
    Position.prepare();
    return Element.absolutize(element);
  },

  relativize: function(element) {
    Position.prepare();
    return Element.relativize(element);
  },

  realOffset: Element.Methods.cumulativeScrollOffset,

  offsetParent: Element.Methods.getOffsetParent,

  page: Element.Methods.viewportOffset,

  clone: function(source, target, options) {
    options = options || { };
    return Element.clonePosition(target, source, options);
  }
};

/*--------------------------------------------------------------------------*/

if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
  function iter(name) {
    return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
  }

  instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
  function(element, className) {
    className = className.toString().strip();
    var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
    return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
  } : function(element, className) {
    className = className.toString().strip();
    var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
    if (!classNames && !className) return elements;

    var nodes = $(element).getElementsByTagName('*');
    className = ' ' + className + ' ';

    for (var i = 0, child, cn; child = nodes[i]; i++) {
      if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
          (classNames && classNames.all(function(name) {
            return !name.toString().blank() && cn.include(' ' + name + ' ');
          }))))
        elements.push(Element.extend(child));
    }
    return elements;
  };

  return function(className, parentElement) {
    return $(parentElement || document.body).getElementsByClassName(className);
  };
}(Element.Methods);

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set($A(this).concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set($A(this).without(classNameToRemove).join(' '));
  },

  toString: function() {
    return $A(this).join(' ');
  }
};

Object.extend(Element.ClassNames.prototype, Enumerable);

/*--------------------------------------------------------------------------*/

Element.addMethods();
Prototype.Browser.IE6 = Prototype.Browser.IE && parseInt(navigator.userAgent.substring(navigator.userAgent.indexOf("MSIE")+5)) == 6;
Prototype.Browser.IE7 = Prototype.Browser.IE && parseInt(navigator.userAgent.substring(navigator.userAgent.indexOf("MSIE")+5)) == 7;
Prototype.Browser.IE8 = Prototype.Browser.IE && !Prototype.Browser.IE6 && !Prototype.Browser.IE7;

Object.extend(String.prototype, {
    // make substr work correctly in ie
    substr: function(start, length) {
        if (start < 0) {
            start = this.length + start;
            if (start < 0) {
                start = 0;
            }
        }

        if ('undefined' == typeof(length)) {
            end = this.length;
        }
        else {
            var end = start + length;
            if (end > this.length) {
                end = this.length;
            }
        }

        var substr = '';
        var i;
        for (i = start; i < end; i++)
            substr += this.charAt(i);
        return substr;
    },

// need to make these work with char lists later
    trim: function() {
    	return this.replace(/^\s+|\s+$/g,'');
    },

    ltrim: function() {
	    return this.replace(/^\s+/,'');
	},

    rtrim: function() {
    	return this.replace(/\s+$/,'');
    }
});

Object.extend(Array.prototype, {
    contains: function(s) {
        return this.any(function(n) { return n == s; });
    }
});

Object.extend(Form, {
    submit: function(form) {
        form = $(form);
        if ('INPUT' === form.submit.nodeName)
            form.submit.click();
        else
            form.submit();
    }
});


// getValue and setValue have been extended to allow getting/setting radio buttons. May be better just to create separate functions
Object.extend(Form.Element.Methods, {
  getValue: function(element) {
    var value = null;

/*  This check may not be working wrt radio buttons in ie. The ford issue minutes page, has a check for 
    $('assign_sales_package_to_someone_else') which is a radio button with no id, but for some reason 
    it returns [object] rather than null
*/
    if ($(element) && $(element).type != 'radio')
    {
        element = $(element);
        var method = element.tagName.toLowerCase();
        value = Form.Element.Serializers[method](element);
    }
    else
    {
        var elements;

// not sure how this should work with other form elements like input arrays name="record_ids[]"
        // radio buttons
        elements = $$('input[type="radio"][name="' + element + '"]');
        if (elements.size() > 0)
        {
            var el = elements.find(function(el) { return el.checked });
            if (el)
                value = el.value;
        }
    }   
    return value;
  },

  setValue: function(element, value) {
    if ($(element))
    {
        element = $(element);
        var method = element.tagName.toLowerCase();
        Form.Element.Serializers[method](element, value);
        return element;
    }
    else
    {
        if (elements = $$('input[type="radio"][name="' + element + '"][value="' + value + '"]'))
            elements[0].checked = true;
    }
  }
});
var $F = Form.Element.Methods.getValue;
var $V = Form.Element.Methods.setValue;

Object.extend(Event, {
    KEY_ENTER:      13,
    KEY_ATSIGN:     64,
    KEY_PLUS:       43,
    KEY_MINUS:      45,
    KEY_PERIOD:     46,
    KEY_OPENPAREN:  40,
    KEY_CLOSEPAREN: 41,
    KEY_SHIFT:      16,
    KEY_CONTROL:    17,
    KEY_CAPSLOCK:   20,
    KEY_SPACE:      32,
	keyPressed: function(e)
	{
		return (e.keyCode) ? e.keyCode : e.which;
	}
});


//from help balloon. Will determine if these are useful outside of help balloon later
Object.genGUID = function()
{
	var len = 8;
	if(!isNaN(parseInt(arguments[0]))) len = parseInt(arguments[0]);
	var chars = "abcdef0123456789";
	var output = "";
	while(output.length < len)
	{
		var rnd = Math.floor(Math.random() * (chars.length - 1));
		output += chars.charAt(rnd);
	}
	return output;
}

//global_defines.js

var user_agent = navigator.userAgent.toLowerCase();
var is_ie = false;
var is_ie7 = false;
var is_ie6 = false;
var is_ff = false;
var is_opera = false;

is_opera = (user_agent.indexOf("opera") != -1);
if(!is_opera)
{
    is_ie = (user_agent.indexOf("msie") != -1);
    if(is_ie)
    {
        if(!(is_ie7 = (user_agent.indexOf("msie 7.0") != -1)));
            is_ie6 = (user_agent.indexOf("msie 6.0") != -1);
    }
    else
    {
		is_ff = (user_agent.indexOf("mozilla") != -1);
	}
}

// ajax.js

function httpSubmitForm(form, url, function_name)
{
	var req;
	var date = new Date();
	var timestamp = date.getTime();
	
	url = url + (url.indexOf('?') == -1 ? '?' : '&') + 'timestamp=' + timestamp

	var fields = getFormFields(form)
	var input = '';

	var i;
	foreach(fields, function(field)
	{
	    var name = field.name;
	    var value = getFieldValue(field);
  		input += urlencode(name) + '=' + urlencode(value) + '&';
    });

	input = rtrim(input, '&');

	try
	{
		req = new ActiveXObject('Msxml2.XMLHTTP');
	}
	catch(e)
	{
		try
		{
			req = new ActiveXObject('Microsoft.XMLHTTP');
		}
		catch(e)
		{
			try
			{
				req = new XMLHttpRequest();
			}
			catch(e)
			{
				throw 'Could not create XMLHttp Object';
			}
		}
	}

	try
	{
		req.open('POST', url, true);
	}
	catch(e)
	{
		throw 'Request failed - ' + e;
	}

	req.onreadystatechange = function() 
	{
		try
		{
			if(req.readyState == 4)
			{
				if(req.status != 200)
					throw req.status;

				if(!empty(function_name))
				{
					var response = req.responseText;
					eval(function_name + '(form, response);');
				}
			}
		}
		catch(e)
		{
			//added conditional to avoid onunload event trigger alert. Not sure how else to fix this
			if(typeof(e) == 'number')
				alert("httpSubmitForm() error:\n\nResponse failed - " + e);
		}
	};

	try
	{
		req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		req.setRequestHeader('Content-Length', input.length);
		req.setRequestHeader('Connection', 'close');
		req.send(input);
	}
	catch(e)
	{
		throw 'Request send failed - ' + e;
	}
}

function httpRequest(input, url, function_name)
{
	var req;
	var date = new Date();
	var timestamp = date.getTime();
	
	if(url.indexOf('?') == -1)
		url = url + '?timestamp=' + timestamp
	else
	{
		var split_url = url.split('?');
		url = url + '&timestamp=' + timestamp;
	}

	try
	{
		req = new ActiveXObject('Msxml2.XMLHTTP');
	}
	catch(e)
	{
		try
		{
			req = new ActiveXObject('Microsoft.XMLHTTP');
		}
		catch(e)
		{
			try
			{
				req = new XMLHttpRequest();
			}
			catch(e)
			{
				throw 'Could not create XMLHttp Object';
			}
		}
	}

	try
	{
		req.open('POST', url, true);
	}
	catch(e)
	{
		throw 'Request failed - ' + e;
	}

	req.onreadystatechange = function() 
	{
		try
		{
			if(req.readyState == 4)
			{
				if(req.status != 200)
					throw req.status;
	
				if(!empty(function_name))
				{
					var response = req.responseText;
					eval(function_name + '(response);');
				}
			}
		}
  	catch(e)
		{
			//added conditional to avoid onunload event trigger alert. Not sure how else to fix this
			if(typeof(e) == 'number')
  			alert("httpRequest() error:\n\nResponse failed - " + e);
  	}
	};

	try
	{
		req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		req.setRequestHeader('Content-Length', input.length);
		req.setRequestHeader('Connection', 'close');
		req.send(input);
	}
	catch(e)
	{
		throw 'Request send failed - ' + e;
	}
}

function processInputErrors(form, input_errors)
{
	if(form = $(form))
	{
	  	var i;

		//Clear old errors and create target_client array from field data
	  	var fields = getFormFields(form);
	  	foreach(fields, function(field)
	  	{
	  		field.className = field.className.replace(/\_{0,1}error/, '');

	  		var error_span;
	  		if(error_span = getNextSibling(field, 'SPAN'))
	  			removeChildNodes(error_span);
	  	});

		// If input errors, display error messages
	  	if(!empty(input_errors))
	  	{
	  		var set_focus = false;

	  		foreach(input_errors, function(input_error, key)
	  		{
				if(input_error)
				{
		  			var field_name = key;
		  
		  			if(field = eval('form.' + field_name))
		  			{
		  				if(!set_focus)
		  				{
		  					field.focus();
		  					
		  					if(field.type == 'text' || field.type == 'textarea')
			  					field.select();
		  					set_focus = true;
		  				}
		  					
		  				field.className = (empty(field.className)) ? 'error' : field.className + '_error';
		
		  				var error_span;
		  				if(error_span = getNextSibling(field, 'SPAN'))
		  				{
		  					error_span.innerHTML = error_span.innerHTML + input_error + '<br />';
		  					error_span.style.display = 'block';
		  				}
		  			}
		  		}
	  		});

	  		return false;
	  	}

	  	return true;
	}
}

function parseXMLNode(xml_doc, node_name)
{
	try
	{
		if(typeof(xml_doc) == 'undefined' || typeof(node_name) == 'undefined')
			throw invalidFunctionCall(arguments, 'xml_doc', 'node_name');

	  	// Get returned target
	  	var target_node = xml_doc.getElementsByTagName(node_name).item(0);
	  	var target = new Array();
	  	target['id'] = target_node.attributes.getNamedItem('id').value;
	
		var i;
	  	for(i=0; i<target_node.childNodes.length; i++)
	  		if((name = target_node.childNodes[i].nodeName) != '#text')
	  			target[name] = (target_node.childNodes[i].firstChild) ? target_node.childNodes[i].firstChild.nodeValue : '';
	  	
	  	return target;
	}
	catch(e)
	{
		alert("parseXMLNode() error:\n\n" + e + "\n\nStack:\n" + (typeof(e.stack) != 'undefined' ? e.stack.replace(/\n/g, "\n\n") : ''));
		return false;
	}
}

function ajaxUsernameAvailable(username_available)
{
    username_available = (username_available == 1); //fix for js suckiness
    var status;
    var status_message;

    if(username_available)
    {
        status = 'success';
        status_message = 'Available';
    }
    else
    {
        status = 'error';
        status_message = 'Not Available';
    }
        
    replaceSpan('username_available_span', '<span class=\"silk_' + status + '\">' + status_message + '</span>');
}

// array.js

function foreach(object, block, context) 
{
	for (var key in object)
	{
		if(typeof object[key] == 'function')
			continue;
		block.call(context, object[key], key, object);
	}
}

function array_key_exists(search_key, array)
{
	var exists = false;
	foreach(array, function(value, key) 
	{	
		if(key == search_key) 
		{
			exists = true; 
			return;
		}
	});

	return exists;
}

function in_array(array, search_value)
{
	var in_array = false;
	foreach(array, function(value, key) 
	{	
		if(value == search_value)	
		{
			in_array = true; 
			return;
		}
	});

	return in_array;
}

function insertElementAt(array, element, index)
{
	var i=count(array);

	for(i; i>index; i--) 
		array[i] = array[i-1];
	
	array[i] = element;
}

function insertElementIntoSorted(array, insert_value, insert_key)
{
	var insert_key = insert_key || '';
	var temp_array = new Array();

	var inserted = false;
	var key;
	foreach(array, function(value, key)
	{
		if((typeof insert_value == 'string' && insert_value.toLowerCase() < value.toLowerCase()) || insert_value < value)
		{
			inserted = true;
			
			if(!empty(insert_key))
				temp_array[insert_key] = insert_value;
			else
				temp_array.push(insert_value);
		}
			
		if(empty(insert_key))
		{
			if(inserted)
				temp_array.push(array[key + 1]);
			else
				temp_array.push(value);
		}
		else
			temp_array[key] = value;
	});

	if(!inserted)
	{
		if(!empty(insert_key))
			temp_array[insert_key] = insert_value;
		else
			temp_array.push(insert_value);
	}

	clone(array, temp_array);
}

function clone(array_clone, array)
//cloning in js is pretty horrible. I had to keep the original array_clone, remove all elements, then add all array elements
{
	var key;
	for(key in array_clone)
		delete array_clone[key];
	
	for(key in array)
		array_clone[key] = array[key];
}

function removeValue(array, search_value)
{
	var key;
	var removed_keys = new Array();
	foreach(array, function(value, key)
	{
		if(value == search_value)
		{
			removed_keys.push(key);
			delete array[key];
		}
	});
	
	return removed_keys;
}

function removeNull(array) 
{
	foreach(array, function(value, key) 
	{
		if(isEmpty(value)) 
			delete array[key];
	});
}

function moveValueToBeginning(array, search_value)
{
	removed_keys = removeValue(array, search_value);

	var temp_array = new Array();
	foreach(removed_keys, function(value)
	{
		temp_array[value] = search_value;
	});

	foreach(array, function(value, key)
	{
		temp_array[key] = value;
	});	

	clone(array, temp_array);
}

function moveValueToEnd(array, search_value)
{
	removed_keys = removeValue(array, search_value);
	var temp_array = new Array();
	
	foreach(array, function(value, key)
	{
		temp_array[key] = value;
	});	
		
	foreach(removed_keys, function(value)
	{
		temp_array[value] = search_value;
	});
	
	clone(array, temp_array)
}

// calendar.js

function getTextMonth(month)
{
    switch(month)
    {
        case '01' : return 'January'; break;
        case '02' : return 'February'; break;
        case '03' : return 'March'; break;
        case '04' : return 'April'; break;
        case '05' : return 'May'; break;
        case '06' : return 'June'; break;
        case '07' : return 'July'; break;
        case '08' : return 'August'; break;
        case '09' : return 'September'; break;
        case '10' : return 'October'; break;
        case '11' : return 'November'; break;
        case '12' : return 'December'; break;
    }
}

function getNumDaysInMonth(month, year) 
{
	month = Number(month);
	year = Number(year);
	
	switch(month) 
	{
		case 1: num_days = 31; break;
		case 2: if(year % 4 == 0) {num_days = 29;} else {num_days = 28;} break;
		case 3: num_days = 31; break;
		case 4: num_days = 30; break;
		case 5: num_days = 31; break;
		case 6: num_days = 30; break;
		case 7: num_days = 31; break;
		case 8: num_days = 31; break;
		case 9: num_days = 30; break;
		case 10: num_days = 31; break;
		case 11: num_days = 30; break;
		case 12: num_days = 31; break;
		default : throw 'invalid month number ' + month + ' entered';
	}

	return num_days;
}

function getPrevMonth(month) { return (month > 1) ? month - 1 : 12; }
function getNextMonth(month) { return (month < 12) ? month + 1 : 1; }

function updateNumDays(field)
{
	if(field = getElement(field))
	{
		var field_id = field.getAttribute('id');
		var year = document.getElementById(field_id + '_year');
		var month = document.getElementById(field_id + '_month');
		var day = document.getElementById(field_id + '_day');

		var old_num_days = day.options.length - 1; //-1 for 'Day' as first option
		
		var date =new Date();
		var month_value = (month.value != 0) ? month.value : str_pad(date.getMonth() + 1, 2, 0, 'STR_PAD_LEFT');
		var year_value = (year.value != 0) ? year.value : date.getFullYear();
		var new_num_days =  getNumDaysInMonth(month_value, year_value);
		
		var difference = new_num_days - old_num_days;

		var i;
		if(difference < 0)
		{
			for(i=0; i<(-difference); i++)
				day.removeChild(day.options[day.options.length-1]);
		}
		else if(difference > 0)
		{
			for(i=old_num_days + 1; i<=new_num_days; i++)
			{
				var option = document.createElement('OPTION');
				option.value = i;
				var option_text = document.createTextNode(i);
				option.appendChild(option_text);
				day.appendChild(option);
			}
		}
	}
}

// check_format.js

function checkEmailFormat(email) 
{
	if(!email.match(/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$/i))
		return 'Invalid email address.';
	return false;
}

function checkPhoneNumberFormat(phone_number) 
{
	phone_number = phone_number.replace(/[^0-9]/g, '');
	if(phone_number.length != 10)
		return 'Phone Number must contain exactly 10 digits.';
	return false;
}

function checkZipFormat(zip) 
{
	if(!zip.match(/^[0-9]{5}$/))
		return 'Zip Code must contain exactly 5 digits.';
	return false;
}

// dom.js

function getElement(element) { return $(element); }

function getRelatedNode(relation, element, tag)
{
    if(element = $(element))
    {
        if(typeof(tag) == 'undefined')
            tag = '*';

        while(eval('element.'+relation))
        {
            element = eval('element.'+relation);
            if(tag == '*' || tag == element.nodeName)
                return element;
        }
    }
    
    return false;    
}

function getNextSibling(element, tag) { return getRelatedNode('nextSibling', element, tag); }
function getPrevSibling(element, tag) { return getRelatedNode('previousSibling', element, tag); }
function getParentNode(element, tag) { return getRelatedNode('parentNode', element, tag); }

function getElementsByTagName(tag, node, levels_deep)
{
    var node = node || document.getElementsByTagName('body').item(0);
    var tag = tag || '*';

    if(node = $(node))
    {
        //built-in js function adds index length, which I can't figure out how to get rid of
//        if(typeof(levels_deep) == 'undefined' || levels_deep == -1) 
//            return node.getElementsByTagName(tag);

        var elements = new Array();

        if(typeof(levels_deep) == 'undefined')
            levels_deep = -1;
        else if(levels_deep == 0)
            return elements;

        if(node.firstChild)
        {
            foreach(node.childNodes, function(child_node)
            {
                if(tag == '*' || child_node.nodeName == tag)
                    elements.push(child_node);    
        
                // If searching the next level down and element has children, 
                // recall this function for the element with one search level less
                // Then merge the returned elements array and the current elements array

                if((levels_deep == -1 || Number(levels_deep) > 0) && child_node.firstChild)
                {
                    var child_elements = getElementsByTagName(tag, child_node, (levels_deep == -1 ? levels_deep : (levels_deep - 1)));
        
                    if(typeof(child_elements) == 'object')
                        elements = elements.concat(child_elements);
                }
            });
        }

        // return the elements array
        return elements;
    }
}

function getElementsByClass(search_class, node, tag, levels_deep)
{
    var node = node || document.getElementsByTagName('body').item(0);
    
    if(node = $(node))
    {
        if(typeof(tag) == 'undefined')
              tag = '*';

        var elements = new Array();
        var temp_elements = new Array();

        if(typeof(levels_deep) == 'undefined')
        {
            temp_elements = document.getElementsByClassName(search_class, node);
            if(tag == '*')
            {
                elements = temp_elements;
            }
            else
            {        
                foreach(temp_elements, function(element)
                {
                    if(element && element.nodeName && element.nodeName.indexOf(tag) != -1) 
                        elements.push(element);
                });
            }
        }
        else
        {
            temp_elements = getElementsByTagName(tag, node, levels_deep);
            if(tag == '*')
            {
                elements = temp_elements;
            }
            else
            {        
                foreach(temp_elements, function(element)
                {
                    if(element && element.className && element.className.indexOf(search_class) != -1) 
                        elements.push(element);
                });
            }
        }
                  
        return elements;
    }
}

function getStyle(element, property)
{
	if(!(element = $(element)))
	    return false;

	if (element.currentStyle)
    	return element.currentStyle[property];
	
	if (window.getComputedStyle)
		return document.defaultView.getComputedStyle(element, null).getPropertyValue(property);
		
	return false;
}

function removeChildNodes(element)
{
    if(element = $(element))
        while(element.firstChild)
            element.removeChild(element.firstChild);
}

//This has to be prefaced with "my" since IE has a non-DOM method object.removeNode
function myRemoveNode(element)
{
    if(element = $(element))
    {
        removeChildNodes(element);
        element.parentNode.removeChild(element);
    }
}

function insertBefore(insert_element, element)
{
    if((insert_element = $(insert_element)) && (element = $(element)))
        element.parentNode.insertBefore(insert_element, element);
}

function insertAfter(insert_element, element)
{
    if((insert_element = $(insert_element)) && (element = $(element)))
    {
        if(element.nextSibling)
            element.parentNode.insertBefore(insert_element, element.nextSibling);
        else
            element.parentNode.appendChild(insert_element);
    }
}

function showElement(element) { if(element = $(element)) element.style.display = ''; }
function hideElement(element) { if(element = $(element)) element.style.display = 'none'; }
function toggleElement(element, node) { if(element = $(element)) element.style.display = (element.style.display == 'none') ? '' : 'none'; }

function showElements(class_name, node, tag)
{
    var node = node || document;
    if($(node))
    {
        if(typeof(tag) == 'undefined')
              tag = '*';

        var elements = getElementsByClass(class_name, node, tag);
            
        var i;
        foreach(elements, function(element)
        {
            element.style.display = '';
        });
    }
}

function hideElements(class_name, node, tag)
{
    var node = node || document;
    if($(node))
    {
        if(typeof(tag) == 'undefined')
              tag = '*';
        var elements = getElementsByClass(class_name, node, tag);

        foreach(elements, function(element) 
        {
            element.style.display = 'none';
        });
    }
}

function toggleElements(class_name, node, tag, levels_deep)
{
    var node = node || document;
    if($(node))
    {
        if(typeof(tag) == 'undefined')
              tag = '*';
        var elements = getElementsByClass(class_name, node, tag);

        foreach(elements, function(element)
        {
            element.style.display = (element.style.display == 'none') ? '' : 'none';
        });
    }
}

function toggleCheckboxElement(checkbox_element, element) { if(element = $(element)) element.style.display = (checkbox_element.checked ? '' : 'none'); }

function replaceSpan(span, value, default_value) { if(span = $(span)) span.innerHTML = (empty(value) && typeof(default_value) != 'undefined') ? default_value : value; }

function replaceSpans(span_class, value, default_value)
{
    if(empty(value) && typeof(default_value) != 'undefined')
        value = default_value;

    var spans = getElementsByClass(span_class);
    foreach(spans, function(span)
    {
        span.innerHTML = value;
    });
}

function swapSpans(span_1, span_2)
{
    if(span_1 = $(span_1))
    {
        if(span_2 = $(span_2))
        {
            var temp_innerHTML = span_2.innerHTML;
            replaceSpan(span_2, span_1.innerHTML);
            replaceSpan(span_1, temp_innerHTML);
        }
    }
}

function setFocus(element) { if(element = $(element)) element.focus(); }

function addEventHandler(element, event, function_name, use_capture)
{   
    if(!(element = $(element)))
        return;
        
    if (typeof(use_capture) == 'undefined')
        use_capture = false;

    var event = event.replace(/^on/, '');
    var onevent = 'on' + event;

    if (element.addEventListener)     //DOM
    {
        element.addEventListener(event, function_name, use_capture);
    }
    else if (element.attachEvent) //IE 
    {
        element.attachEvent(onevent, function_name);
    }
    else if (document.getElementById) //older browsers
    {
        element.onevent = function_name;
    }
}

function addEventHandlers(class_name, event, function_name)
{
    var elements = getElementsByClass(class_name);
    if (elements)
    {
        foreach (elements, function(element)
        {
            addEventHandler(element, event, function_name);
        });
    }
}

function Window(url, name, width, height)
{
    this.url = url;
    this.name = name;
    this.width = width;
    this.height = height;
    this.top = this.left = 0;
    this.is_centered = this.toolbar = this.menubar = this.location = this.directories = this.resizable = this.scrollbars = this.statusbar = false;
}

Window.prototype.url;
Window.prototype.name;
Window.prototype.width;
Window.prototype.height;
Window.prototype.is_centered;
Window.prototype.top;
Window.prototype.left;
Window.prototype.toolbar;
Window.prototype.menubar;
Window.prototype.location;
Window.prototype.directories;
Window.prototype.resizable;
Window.prototype.scrollbars;
Window.prototype.statusbar;

Window.prototype.open = function()
{
    if (this.is_centered)
    {
        this.top = (screen.height / 2) - (this.height / 2);
        this.left = (screen.width / 2) - (this.width / 2);
    }
    
    var my_window = window.open(this.url, this.name,
        'top='+this.top
        +',left='+this.left
        +',width='+this.width
        +',height='+this.height
        +',toolbar='+Number(this.toolbar)
        +',menubar='+Number(this.menubar)
        +',location='+Number(this.location)
        +',directories='+Number(this.directories)
        +',resizable='+Number(this.resizable)
        +',scrollbars='+Number(this.scrollbars)
        +',statusbar='+Number(this.statusbar));
 
    my_window.focus();
}

function centeredPopup(url, window_name, width, height)
{
	if ('undefined' == typeof(window_name))
		window_name = 'myWin';
	
	if ('undefined' == typeof(width))
		width = 800;

	if ('undefined' == typeof(height))
		height = screen.height;
		
    var popup = new Window(url, window_name, width, height);
    popup.is_centered = true;
    popup.scrollbars = true;
    popup.open();   
}

function insertLiIntoSortedUl(li, parent_ul, sort_name)
// inserts an li into a ul and sorts based upon its name attribute
{
    if(!(li = $(li)))
        return false;

    li.setAttribute('name', sort_name);
    var parent_lis = getElementsByTagName('LI', parent_ul, 1);

    if(count(parent_lis) == 0)
        parent_ul.appendChild(li);
    else
    {
        //Used for sorting purposes only
        sort_name = sort_name.toLowerCase();

        var i;
        for(i=0; i< parent_lis.length; i++)
        {
            var li_name = parent_lis[i].getAttribute('name').toLowerCase();

            if(li_name == sort_name)
            {
                insertAfter(li, parent_lis[i]);
                break;
            }
            else
            {
                var j=0;

                while(sort_name.charAt(j) == li_name.charAt(j))
                    j++;

                if(sort_name.charAt(j) > li_name.charAt(j))
                {
                    if(i < parent_lis.length - 1)
                        continue;
                    else
                    {
                        insertAfter(li, parent_lis[i]);
                        break;
                    }
                }
                else
                {
                    insertBefore(li, parent_lis[i]);
                    break;
                }
            }
        }
    }
}


function togglePlusMinus(img, path)
{
    var path = path || 'http://www.personalmaestro.com/shared_includes/images/icons/';

    if(img = $(img))
        if(img.nodeName == 'IMG')
            img.src = (img.src.substr(-8) == 'plus.gif') ? path + 'minus.gif' : path + 'plus.gif';
}


// form.js

function getFormFields(form)
{	
	if(!(form = $(form)))
		return false;

	var input_fields = getElementsByTagName('INPUT', form);
	var select_fields = getElementsByTagName('SELECT', form);
	var textarea_fields = getElementsByTagName('TEXTAREA', form);

	fields = input_fields.concat(select_fields, textarea_fields);
	return fields;
}

function getFormValue(field)
{
	if(!(field = $(field)))
		return false;

	var type = field.type;
	if(type == 'text' || type == 'textarea' || type == 'hidden' || type == 'submit' || type == 'file' || type == 'button' || type == 'password')
		return field.value;
	else if(type == 'select-one')
		return field.options[field.selectedIndex].value;
	else if(type == 'radio') 
	{
		if(field.checked)
			return field.value;
		else 
		{
			var field_name = field.attributes.getNamedItem('name').value;
			
			var i=1;
			while(field = $(field_name + i)) 
			{
				if(field.checked)
					return field.value;
				else
					i++;
			}
		}
	}
	else if(type == 'checkbox') 
		return (field.checked) ? 1 : 0;
}

function getOptionText(field, value)
{
	if(!(field = $(field)))
		return false;

	if(empty(value))
		return field.options[field.selectedIndex].innerHTML;

	var i;
	for(i in field.options)
		if(field.options[i].value == value)
			return field.options[i].innerHTML;
}

function replaceOptionText(field, value, text)
{
	field = $(field);
	var i;
	for(i in field.options)
	{
		if(field.options[i] && field.options[i].value == value)
		{
			field.options[i].innerHTML = text;
			break;
		}
	}
}

function getSelectedOptionText(field)
{
	if(!(field = $(field)))
		return false;

	var i;
	for(i in field.options)
		if(field.options[i].selected)
			return field.options[i].innerHTML;
}

function disableFormField(field) { if(field = $(field)) field.disabled = true; }
function disableFormFields(class_name) 
{
	var i;
	if(fields = getElementsByClass(class_name))
		for(i in fields)
			fields[i].disabled = true;
}

function enableFormField(field) { if(field = $(field)) field.disabled = false; }
function enableFormFields(class_name)
{
	var i;
	if(fields = getElementsByClass(class_name))
		for(i in fields)
			fields[i].disabled = false;
}

function setFormValue(field, value)
{
	if(!(field = $(field)))
		return false;

	var type = field.type;
	
	if(type == 'radio') 
	{
		if(field.value == value)
			field.checked = true;
		else 
		{
			var i=1;
			while(field = $(field + i)) 
			{
				if(field.value == value) 
				{
					field.checked = true;
					break;
				}
				else
					i++;
			}
		}
	}
	else if(type == 'checkbox') 
	{
		value = (value == 'on' || value == 1) ? true : false;
		field.checked = value;
	}
	else
    	field.value = value
}

function setFormValues(class_name, value)
{
	var elements = getElementsByClass(class_name);
	var i;
	for(i in elements)
		setFormValue(elements[i], value);
}

function maxLength(textarea, length)
{
	if(!(textarea = $(textarea)))
		return false;
		
	var length_span = $(textarea.id + '_length');
	if(textarea.value.length > length)
	{
		textarea.addClassName('error');
		if(length_span)
		{
			length_span.className = 'error';
			length_span.style.fontWeight = 'bold';
		}
	}
	else
	{
		textarea.removeClassName('error');
		if(length_span)
		{
			length_span.className = '';
			length_span.style.fontWeight = '';
		}
	}
	
	if(length_span)
		replaceSpan(length_span, textarea.value.length);
}

//would like to decommission these but they are being used by emaestropro/client_user/manage_client_users.php
function createField(type, id, name, label, value, input_attributes, options, html_after_input_field)
{
	var innerHTML = ''
+'		<z:field>'
+'			<label for="' + id + '"' + (type == 'submit' ? 'onclick="return false;"' : '') + '>' + (!empty(label) ? label : '&nbsp;') + '</label>';
	
	switch(type.toLowerCase())
	{
		case 'text'		: innerHTML += ''
+'			<input id="' + id + '" type="text" name="' + name + '" value="' + (typeof(value) != 'undefined' ? value : '') + '" ' + (typeof(input_attributes) != 'undefined' ? input_attributes : '') + ' />'; break;
		case 'textarea'	: innerHTML += ''
+'			<textarea id="' + id + '" name="' + name + '" ' + (typeof(input_attributes) != 'undefined' ? input_attributes : '') + '>' + (typeof(value) != 'undefined' ? value : '') + '</textarea>'; break;
		case 'select'	: innerHTML += ''
+'			<select id="' + id + '" name="' + name + '" ' + (typeof(input_attributes) != 'undefined' ? input_attributes : '') + '>' + (typeof(value) != 'undefined' ? createSelectOptions(options, value) : createSelectOptions(options))
+'			</select>'; break;
		case 'checkbox'	: innerHTML += ''
+'			<input id="' + id + '" type="checkbox" name="' + name + '" ' + ((typeof(value) != 'undefined' && value) ? 'CHECKED' : '') + ' class="checkbox" ' + (typeof(input_attributes) != 'undefined' ? input_attributes : '') + ' />'; break;
		case 'submit'	: innerHTML += ''
+'			<input id="' + id + '" type="submit" name="' + name + '" value="' + value + '" class="button" ' + (typeof(input_attributes) != 'undefined' ? input_attributes : '') + ' />'; break;
	}
	
	if(typeof(html_after_input_field) != 'undefined')
		innerHTML += html_after_input_field;

	innerHTML += ''
+'			<span class="error_span"></span>'
+'		</z:field>';

	return innerHTML;
}

function createPhoneNumberField(id, name, label, value, html_after_input_field)
{
	if(typeof(value) == 'undefined')
		var value = '';
		
	if(typeof(html_after_input_field) == 'undefined')
		var html_after_input_field = '';
		
	return createField('text', id, name, label, value, 'maxLength="14" style="width:120px;" onKeyUp="this.value=formatPhoneNumber(this.value);"', '', html_after_input_field);
}

function createAddressField(id, name, label, street, city, state, zip, options)
{
	if(!empty(id))
		id += '_';
		
	var innerHTML = ''
+'		<z:field>'
+'			<label for="' + id + name + '_street">' + label + '</label>'
+'			<input id="' + id + name + '_street" type="text" name="' + name + '_street" value="' + street + '" />'
+'		</z:field>'
+'		<z:field>'
+'			<label for="' + id + name + '_city">&nbsp;</label>'
+'			<input id="' + id + name + '_city" type="text" name="' + name + '_city" value="' + city + '" style="width:140px;" />'
+'			<select id="' + id + name + '_state" name="' + name + '_state">' + (typeof(value) != 'undefined' ? createSelectOptions(options, value) : createSelectOptions(options))
+'			</select>'
+'			<input id="' + id + name + '_zip" type="text" name="' + name + '_zip" value="' + zip + '" maxLength="5" style="width:50px;" onKeyUp="this.value=numbersOnly(this.value);" />'
+'			<span class="error_span"></span>'
+'		</z:field>';

	return innerHTML;
}

function createToggleCheckbox(id, name, label, value, onclick)
{
	if(typeof(value) == 'undefined')
		value = '';
	if(typeof(onclick) == 'undefined')
		onclick = '';

	return createInput('checkbox', id, name, value, 'onclick="' + onclick + '"') + '<a href="#nogo" onclick="$(\'' + id + '\').click();">' + label + '</a>';
}


function createSelectOptions(options, value)
{
	var innerHTML = '';
	if(typeof(options) == 'object')
	{
		foreach(options, function(option, key)
		{
			innerHTML += ''
+'				<option value="' + key + '" ' + (value == key ? 'selected="selected"' : '') + '>' + option + '</option>';
        });
	} 
	else
	{
		if(options.indexOf('value="' + value + '"') != -1)
		{
			var split = options.split('value="' + value + '"');
			options = split[0] + 'value="' + value + '" selected="selected"' + split[1];
		}
				
		innerHTML += options;
	}
	
	return innerHTML;
}

function createInput(type, id, name, value, input_attributes, options)
{
	if(typeof(value) == 'undefined')
		value = '';

	if(typeof(input_attributes) == 'undefined')
		input_attributes = '';
		
	if(typeof(options) == 'undefined')
		options = '';
		
	string = '';
	switch(type.toLowerCase())
	{
		case 'text'		: string += ''
+'			<input id="' + id + '" type="text" name="' + name + '" value="' + value + '" ' + displayIfNotEmpty(input_attributes) + ' />'; break;
		case 'textarea'	: string += ''
+'			<textarea id="' + id + '" name="' + name + '" ' + displayIfNotEmpty(input_attributes) + '>' + value + '</textarea>'; break;
		case 'select'	: string += ''
+'			<select id="' + id + '" name="' + name + '" ' + displayIfNotEmpty(input_attributes) + '>'
+'				' + createSelectOptions(options, value)
+'			</select>'; break;

		//JS is f'd up sometimes - (value != false) is not the same as (value). the string "0" is read as true in the latter
		case 'checkbox'	: string += ''
+'			<input id="' + id + '" type="checkbox" name="' + name + '" ' + ((value != false) ? 'CHECKED' : '') + ' class="checkbox" ' + displayIfNotEmpty(input_attributes) + ' />'; break;
		case 'radio'	: 
			var i=0;
			var orig_id = id;
			var key;
			for(key in options)
			{
				id = orig_id + i++;
				string += ''
+'			<input id="' + id + '" type="radio" name="' + name + '" value="' + key + '" class="radio" ' + (key == value ? ' CHECKED ' : '') + displayIfNotEmpty(input_attributes) + ' /><a href="#nogo" onclick="$(\'' + id + '\')+click();">' + options[key] + '</a>';
			}
			 break;
		case 'file'		: string += ''
+'			<input id="' + id + '" type="file" name="' + name + '" class="file" ' + displayIfNotEmpty(input_attributes) + ' />'; break;
		case 'submit'	: string += ''
+'			<input id="' + id + '" type="submit" name="' + name + '" value="' + value + '" class="button" ' + displayIfNotEmpty(input_attributes) + ' />'; break;
	}
	
	return string;
}

function updateDisplayFields()
// Updates display input fields to entered input fields
// Display input field is the uneditable version of an input field (when you want to toggle between display and input)
// Must be called with the input field ids as parameters
// All inputs must be labeled id='[name]'
// All display inputs must be labeled id='display_[name]'
{
	var i;
	for(i=0; i < arguments.length; i++)
	{
		field = $(arguments[i]);
		var display = 'display_' + input;
		var display_element = $(display);
		var value = getFieldValue(field);
		display_element.innerHTML = value;
	}
}

function setFormValuesFromViewSpans(form)
{
	var fields = getFormFields(form);

	var i;
	var field_id;
	for(i=0; i<fields.length; i++)
	{
		if(
			(field_id = fields[i].getAttribute('id')) &&
  		(view_span = $(field_id + '_view')) && 
  		view_span.firstChild
  	)
			setFormValue(field_id, view_span.firstChild.nodeValue);
	}
}


// image.js

function setImageMaxSize(image, width, height, max_width, max_height)
{
	var new_height;
	var new_width;

  	// If no max set, or width and height are less than max, no need to resize
  	if(
  		(empty(max_width) && empty(max_height)) || 
  		(
  			(empty(max_width) || (width < max_width)) && 
  			(empty(max_height) || (height < max_height))
  		)
  	)
  	{
  		new_width = width;
  		new_height = height;
  	}
  	
  	else if
  	(
  		// if only max_width set
  		(!empty(max_width) && empty(max_height)) || 

  		// if max_width and max_height set
  		(!empty(max_width) && !empty(max_height) && 
  			(
  				// if wider but not taller
  				(width > max_width && height <= max_height) ||
  				
  				// if wider and taller, and proportionally wider
  				(width > max_width && height > max_height && (width / height >= max_width / max_height))
  			)
  		)
  	)
  	{
  		scale = max_width / width;
  		new_width = max_width;
  		new_height = height * scale;
  	}			

  	else if
  	(
  		// if only max_height set
  		(!empty(max_height) && empty(max_width)) || 

  		// if max_height and max_width set
  		(!empty(max_height) && !empty(max_width) && 
  			(
  				// if taller but not wider
  				(height > max_height && width <= max_width) ||
  				
  				// if taller and wider, and proportionally taller
  				(height > max_height && width > max_width && (height / width >= max_height / max_width))
  			)
  		)
  	)
  	{
  		scale = max_height / height;
  		new_width = width * scale;
  		new_height = max_height;		
  	}
		
	image.style.width = new_width + 'px';
	image.style.height = new_height + 'px';
}

// legacy.js

function replaceAll(regexp, replacement, str) { return str.replace(regexp + '/g', replacement); }
function getFieldValue(field) { return getFormValue(field); }
function isChecked(field) { return getFormValue(field); }


// mail.js

function addFormAttachment(form)
{
	if(!(form = getElement(form)))
		return false;

	var i=1;
	while(document.getElementById('attachment' + i))
		i++;

	var field = document.createElement('dl');
	field.className = 'contain_floats';

	field.setAttribute('id', 'attachment' + i);
	field.innerHTML = '<dt><label for="attachment' + i + '">Attachment ' + i + '</label></dt><dd><input type="file" name="attachment' + i + '" class="file" /> <a href="#nogo" onclick="myRemoveNode(this.parentNode.parentNode);"><small>Remove Attachment</small></a></dd>';

	insertBefore(field, getElement('add_attachment_field'));
}


//deprecated, but still in use
function addAttachment(form)
{
	if(!(form = getElement(form)))
		return false;

	var i=1;
	while(document.getElementById('attachment' + i))
		i++;

	var field = document.createElement('z:field');

	field.setAttribute('id', 'attachment' + i);
	field.innerHTML = '<label for="attachment' + i + '">Attachment ' + i + ':</label><input type="file" name="attachment' + i + '" class="file" /> <a href="#nogo" onclick="myRemoveNode(this.parentNode);"><small>Remove Attachment</small></a>';

	insertBefore(field, getElement('add_attachment_field'));
}

// php_unserialize.js

function package(data) { return escape(serialize(data)); }
function unPackage(data) 
{
	if(typeof(data) != 'string')
	    return data;
	
	var data = unescape(data);
		
	return my_unserialize(data); 
}

function serialize(data) 
{
  var Encoder = new JPSpan_Encode_PHP();
	return Encoder.encode(data);
}

function unserialize(data)
{
  var result = PHP_Unserialize_(data);
	return result[0];
}

function my_unserialize(data)
{
	if(data == 'b:0;')
		return false;
		
	var result;
	if(!(result = PHP_Unserialize_(trim(data))))
		return data;

	var unserialized_data = (result[0]) ? result[0] : data;
	return unserialized_data;
}

/**
* Function which performs the actual unserializing
*
* @param string input Input to parse
*/

function PHP_Unserialize_(input)
{
    if(typeof input != 'string' || empty(input))
        return '';

// This was causing infinite looping somehow. Will re-implement if problems arise.
//	if(!(String(input).match(/^[a-z]{1}.*[\}\;]+$/i)))
//		return false;

	var length = 0;
	   
	switch (input.charAt(0)) {
		/**
		* Array
		*/
		case 'a':
			length = PHP_Unserialize_GetLength(input);
			input  = input.substr(String(length).length + 4);

			var arr   = new Array();
			var key   = null;
			var value = null;

			for (var i=0; i<length; ++i) {
				key   = PHP_Unserialize_(input);
				input = key[1];

				value = PHP_Unserialize_(input);
				input = value[1];

				arr[key[0]] = value[0];
			}

			input = input.substr(1);
			return [arr, input];
			break;
		
		/**
		* Objects
		*/
		case 'O':
			length = PHP_Unserialize_GetLength(input);
			var classname = String(input.substr(String(length).length + 4, length));
			
			input  = input.substr(String(length).length + 6 + length);
			var numProperties = Number(input.substring(0, input.indexOf(':')))
			input = input.substr(String(numProperties).length + 2);

			var obj	  = new Object();
			var property = null;
			var value	= null;

			for (var i=0; i<numProperties; ++i) {
				key   = PHP_Unserialize_(input);
				input = key[1];
				
				// Handle private/protected
				key[0] = key[0].replace(new RegExp('^\x00' + classname + '\x00'), '');
				key[0] = key[0].replace(new RegExp('^\x00\\*\x00'), '');

				value = PHP_Unserialize_(input);
				input = value[1];

				obj[key[0]] = value[0];
			}

			input = input.substr(1);
			return [obj, input];
			break;

		/**
		* Strings
		*/
		case 's':
			length = PHP_Unserialize_GetLength(input);
			return [String(input.substr(String(length).length + 4, length)), input.substr(String(length).length + 6 + length)];
			break;

		/**
		* Integers and doubles
		*/
		case 'i':
		case 'd':
			var num = Number(input.substring(2, input.indexOf(';')));
			return [num, input.substr(String(num).length + 3)];
			break;
		
		/**
		* Booleans
		*/
		case 'b':
			var bool = (input.substr(2, 1) == 1);
			return [bool, input.substr(4)];
			break;
		
		/**
		* Null
		*/
		case 'N':
			return [null, input.substr(2)];
			break;

		/**
		* Unsupported
		*/
		case 'o':
		case 'r':
		case 'C':
		case 'R':
		case 'U':
			alert('Error: Unsupported PHP data type found!');

		/**
		* Error
		*/
		default:
			return [false, null]; // *Kirk - changed from [null, null] to [false, null]
			break;
	}
}


/**
* Returns length of strings/arrays etc
*
* @param string input Input to parse
*/
function PHP_Unserialize_GetLength(input)
{
	input = input.substring(2);
	var length = Number(input.substr(0, input.indexOf(':')));
	return length;
}

function JPSpan_Encode_PHP() {
	this.Serialize = new JPSpan_Serialize(this);
};

JPSpan_Encode_PHP.prototype = {

	// Used by rawpost request objects
	contentType: 'text/plain; charset=US-ASCII',
	
	encode: function(data) {
		return this.Serialize.serialize(data);
	},
	
	encodeInteger: function(v) {
		return 'i:'+v+';';
	},
	
	encodeDouble: function(v) {
		return 'd:'+v+';';
	},
	
	encodeString: function(v) {
		var s = ''
		for(var n=0; n<v.length; n++) {
			var c=v.charCodeAt(n);
			// Ignore everything but ASCII
			if (c<128) {
				s += String.fromCharCode(c);
			}
		}
		return 's:'+s.length+':"'+s+'";';
	},
	
	encodeNull: function() {
		return 'N;';
	},
	
	encodeTrue: function() {
		return 'b:1;';
	},
	
	encodeFalse: function() {
		return 'b:0;';
	},
	
	encodeArray: function(v, Serializer) {
		var indexed = new Array();
		var count = v.length;
		var s = '';
		for (var i=0; i<v.length; i++) {
			indexed[i] = true;
			s += 'i:'+i+';'+Serializer.serialize(v[i]);
		};

		for ( var prop in v ) {
			if ( indexed[prop] ) {
				continue;
			};
			s += Serializer.serialize(prop)+Serializer.serialize(v[prop]);
			count++;
		};
		
		s = 'a:'+count+':{'+s;
		s += '}';
		return s;
	},
	
	encodeObject: function(v, Serializer, cname) {
		var s='';
		var count=0;
		for (var prop in v) {
			s += 's:'+prop.length+':"'+prop+'";';
			if (v[prop]!=null) {
				s += Serializer.serialize(v[prop]);
			} else {
				s +='N;';
			};
			count++;
		};
		s = 'O:'+cname.length+':"'+cname.toLowerCase()+'":'+count+':{'+s+'}';   
		return s;
	},
	
	encodeError: function(v, Serializer, cname) {
		var e = new Object();
		if ( !v.name ) {
			e.name = cname;
			e.message = v.description;
		} else {
			e.name = v.name;
			e.message = v.message;
		};
		return this.encodeObject(e,Serializer,cname);
	}
}// Id: serialize.js,v 1.5 2004/11/21 11:14:05 harryf Exp 
// Notes:
// - Watch out for recursive references - call inside a try/catch block if uncertain
// - Objects are serialized to PHP class name JPSpan_Object by default
// - Errors are serialized to PHP class name JPSpan_Error by default
//
// See discussion below for notes on Javascript reflection
// http://www.webreference.com/dhtml/column68/
function JPSpan_Serialize(Encoder) {
	this.Encoder = Encoder;
	this.typeMap = new Object();
};

JPSpan_Serialize.prototype = {

	typeMap: null,
	
	addType: function(cname, callback) {
		this.typeMap[cname] = callback;
	},
	
	serialize: function(v) {
	
		switch(typeof v) {
			//-------------------------------------------------------------------
			case 'object':
			
				// It's a null value
				if ( v === null ) {
					return this.Encoder.encodeNull();
				}
				
				// Get the constructor
				var c = v.constructor;
				
				if (c != null ) {
				
					// It's an array
					if ( c == Array ) {
						return this.Encoder.encodeArray(v,this);
					} else {
					
						// Get the class name
						var match = String(c).match( /\s*function (.*)\(/ );

						if ( match == null ) {
							return this.Encoder.encodeObject(v,this,'JPSpan_Object');
						}
						
						// Strip space for IE
						var cname = match[1].replace(/\s/,'');
						
						// Has the user registers a callback for serializing this class?
						if ( this.typeMap[cname] ) {
							return this.typeMap[cname](v, this, cname);
							
						} else {
							// Check for error objects
							var match = cname.match(/Error/);
						
							if ( match == null ) {
								return this.Encoder.encodeObject(v,this,'JPSpan_Object');
							} else {
								return this.Encoder.encodeError(v,this,'JPSpan_Error');
							}

						}
					}
				} else {
					// Return null if constructor is null
					return this.Encoder.encodeNull();
				}
			break;
			
			//-------------------------------------------------------------------
			case 'string':
				return this.Encoder.encodeString(v);
			break;
			
			//-------------------------------------------------------------------
			case 'number':
				if (Math.round(v) == v) {
					return this.Encoder.encodeInteger(v);
				} else {
					return this.Encoder.encodeDouble(v);
				};
			break;
			
			//-------------------------------------------------------------------
			case 'boolean':
				if (v == true) {
					return this.Encoder.encodeTrue();
				} else {
					return this.Encoder.encodeFalse();
				};
			break;
			
			//-------------------------------------------------------------------
			default:
				return this.Encoder.encodeNull();
			break;
		}
	}
}

// Id: data.js,v 1.2 2004/11/12 22:27:23 harryf Exp 
function JPSpan_Util_Data() {
	this.Serialize = new JPSpan_Serialize(this);
	this.indent = '';
};

JPSpan_Util_Data.prototype = {
	dump: function(data) {
		return this.Serialize.serialize(data);
	},
	
	encodeInteger: function(v) {
		return 'Integer: '+v+"\n";
	},
	
	encodeDouble: function(v) {
		return 'Double: '+v+"\n";
	},
	
	encodeString: function(v) {
		return 'String('+v.length+'): '+v+"\n";
	},
	
	encodeNull: function() {
		return "Null\n";
	},
	
	encodeTrue: function() {
		return "Boolean(true)\n"
	},
	
	encodeFalse: function() {
		return "Boolean(false)\n"
	},
	
	encodeArray: function(v, Serializer) {
		var a=v;
		var indexed = new Array();
		var out='Array('+a.length+")\n";
		this.indent += '  ';
		if ( a.length>0 ) {
			for (var i=0; i < a.length; i++) {
				indexed[i] = true;
				out+=this.indent+'['+i+']';
				if ( (a[i]+'') == 'undefined') {
					out+= " = undefined\n";
					continue;
				};
				out+= ' = '+Serializer.serialize(a[i])+"\n";
			};
		};
		var assoc='';
		for ( var prop in a ) {
			if ( indexed[prop] ) {
				continue;
			};
			assoc+=this.indent+'["'+prop+'"]';
			if ( (a[prop]+'') == 'undefined') {
				assoc+= " = undefined\n";
				continue;
			};
			assoc+= ' = '+Serializer.serialize(a[prop])+"\n";
		};
		if ( assoc.length > 0 ) {
			out += assoc;
		};
		this.indent = this.indent.substr(0,this.indent.length-2);
		return out;
	},
	
	encodeObject: function(v, Serializer, cname) {
		var o=v;
		if (o==null) return "Null\n";
		var out='Object('+cname+")\n";
		this.indent += '  ';
		for (var prop in o) {
			out+=this.indent+'.'+prop+' = ';
			if (o[prop]==null) {
				out+="null\n";
				continue;
			};
			out+=Serializer.serialize(o[prop])+"\n";
		};
		this.indent = this.indent.substr(0,this.indent.length-2);
		return out;
	},
	
	encodeError: function(v, Serializer, cname) {
		var e = new Object();
		if ( !v.name ) {
			e.name = cname;
			e.message = v.description;
		} else {
			e.name = v.name;
			e.message = v.message;
		};
		return this.encodeObject(e,Serializer,cname);
	}
};

// string.js

function echo(string) {	document.write(string); }
function nl2br(string) { return string.replace(/\n/g, '<br />'); }
function br2nl(string) { return string.replace(/\<br *\/?\>/g, '\n'); }

function strip_tags(string) 
    { return string.replace(/<\/?[^>]+>/gi, ''); }

function displayIfNotEmpty(string, pattern)
{
	if(empty(string))
		return '';

	return (!empty(pattern)) ? pattern.replace(/\_STRING\_/, string) : string;
}

function makePlural(string) { return string + 's'; } //Works for now
function makePossessive(string)
{
	string = rtrim(string);
	var last_letter = string.indexOf(string.length-1);
	return string + ((last_letter.toLowerCase == 's') ? "'" : "'s");
}

function strcasecmp(string1, string2)
{
	string1 = String(string1).toLowerCase();
	string2 = String(string2).toLowerCase();
	if(string1 < string2)
		return -1;
	if(string1 == string2)
		return 0;
	return 1;
}

function substr(string, start, length)
{
    if (start < 0)
    {
        start = (string.length + start);
        length = (string.length - start);
    }
    
    return string.substr(start, length); 
}

function substr_count(string, substr)
{
    var count = 0;
    var last_index = -1;
    while ( (last_index = string.indexOf("\n", last_index + 1)) != -1 ) 
    {
        count++;
    }
    return count;
}

function str_pad(input, pad_length, pad_string, pad_type)
{
	input = String(input);
	
	if(typeof(pad_string) == 'undefined')
		var pad_string = '&nbsp;';
		
pad_string = String(pad_string);
	pad_length = Number(pad_length);  		
var pad_type = pad_type || 'STR_PAD_LEFT';

	while(input.length < pad_length)
	{
		if(pad_type == 'STR_PAD_LEFT')
			input = pad_string + input;
		else if(pad_type == 'STR_PAD_RIGHT')
			input = input + pad_string;
	}

	return input;
}

function setDecimal(number, decimal_places) 
{
	var str = String(number);
	var before = str;
	var after = '';
	
	if(str.indexOf('.') != -1)
	{
		var split = str.split('.');
		var before = split[0];
		var after = split[1];
	}

	after = after.substr(0, decimal_places);
	return before.replace(/^0*/g, '') + ('' == before ? '0' : '') + (decimal_places != 0 ? '.' : '') + strPad(after, decimal_places, '0', 'STR_PAD_RIGHT');
}

function number_format( number, decimals, dec_point, thousands_sep ) {
    var n = number, c = isNaN(decimals = Math.abs(decimals)) ? 0 : decimals;
    var d = dec_point == undefined ? "." : dec_point;
    var t = thousands_sep == undefined ? "," : thousands_sep, s = n < 0 ? "-" : "";
    var i = parseInt(n = Math.abs(+n || 0).toFixed(c)) + "", j = (j = i.length) > 3 ? j % 3 : 0;
    
    return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : "");
}

function truncateAtDecimal(number, decimal_places) { return Math.floor(number * Math.pow(10, decimal_places)) / Math.pow(10, decimal_places); }

function str_repeat ( input, multiplier ) {
    return new Array(multiplier+1).join(input); 
}

function formatMoneyInput(value)
{       
	if(value.replace(/0*/, '') == '')
	    return '0.00';
		
	return setDecimal(value, 2);
}

function formatMoneyInputEvent(e, decimal_places)
{
    var el = Event.element(e);
    el.value = formatMoneyInput(el.value, decimal_places);
}


function preg_replace(regexp, replacement, string)
{
	if(regexp.toString().match(/\/[^g]*$/))
	{
		var regexp_string = regexp.toString();
		var split = regexp_string.split('/');
		var flags = split[split.length-1];
		
		if(flags.indexOf('g') == -1)
		{
			var pattern = regexp_string.replace(/\/[^\/]*$/, '').replace(/^\/{1}/, '');
			regexp = new RegExp(pattern, flags + 'g');
		}
	}

	return string.replace(regexp, replacement);
}

function addslashes(string) 
{
	string = string.replace(/\\/g,'\\\\');
	string = string.replace(/\'/g,'\\\'');
	string = string.replace(/\"/g,'\\"');
	string = string.replace(/\0/g,'\\0');
	return string;
}

function stripslashes(string) 
{
	string = string.replace(/\\\\/g,'\\');
	string = string.replace(/\\'/g,'\'');
	string = string.replace(/\\"/g,'"');
	string = string.replace(/\\0/g,'\0');
	return string;
}


function trim(string, char_list) 
{ 
	if(typeof(char_list) == 'undefined') 
		char_list = ''; 
	var match = '[' + char_list + '\\s]*';
	var pattern = new RegExp('^' + match + '|' + match + '$', 'g'); 
	return string.replace(pattern,''); 
}
function ltrim(string, char_list) 
{ 
	if(typeof(char_list) == 'undefined') 
		char_list = ''; 
	var match = '[' + char_list + '\\s]*';
	var pattern = new RegExp('^' + match, 'g'); 
	return string.replace(pattern,''); 
}

function rtrim(string, char_list) 
{ 
	if(typeof(char_list) == 'undefined') 
		char_list = ''; 
	var match = '[' + char_list + '\\s]*';
	var pattern = new RegExp(match + '$', 'g'); 
	return string.replace(pattern,''); 
}

function strstr(search_string, string)
{
	var pattern = new RegExp(search_string + '.*$'); 
	return String(string).match(pattern);
}
function stristr(search_string, string) 
{ 
	var pattern = new RegExp(search_string + '.*$', 'i'); 
	return String(string).match(pattern);
}

function prefixWord(prefix, word)
{
	var first_letter_is_vowel = word.match(/^[aeiou]{1}/i)
	var new_prefix = '';
		
	switch(prefix.toLowerCase())
	{
		case 'a' : new_prefix = (first_letter_is_vowel) ? prefix + 'n' : prefix; break;
	}
	
	return new_prefix + ' ' + word;
}

function ucwords(string)
{
	if(empty(string))
		return '';

	var new_string = string.charAt(0).toUpperCase();

	for(i=1; i<string.length; i++)
	{
		if(string.charAt(i-1).match(/[ \t\n]/))
			new_string += string.charAt(i).toUpperCase();
		else
			new_string += string.charAt(i);
	}

	return new_string;
}

function strPad(string, pad_length, pad_string, pad_type)
{
	string = String(string);
	
	if(typeof(pad_string) == 'undefined')
		var pad_string = '&nbsp;';
		
    pad_string = String(pad_string);
	pad_length = Number(pad_length);  		
    var pad_type = pad_type || 'STR_PAD_LEFT';

	while(string.length < pad_length)
	{
		if(pad_type == 'STR_PAD_LEFT')
			string = pad_string + string;
		else if(pad_type == 'STR_PAD_RIGHT')
			string = string + pad_string;
	}

	return string;
}

function formatPhoneNumber(phone_number)
{
	var numbers_only = phone_number.replace(/[^0-9]/g, '');
	var length = numbers_only.length;
	if(length == 0)
		return '';

	var formatted_phone_number = '(' + numbers_only.substr(0, 3);
	if(length >= 4)
		formatted_phone_number += ') ' + numbers_only.substr(3, 3);
	if(length >= 7)
		formatted_phone_number += '-' + numbers_only.substr(6, 4);	
	return formatted_phone_number;
}

function formatPhoneNumberEvent(e)
{
    var el = Event.element(e);
    $V(el, formatPhoneNumber($F(el)));
}

function formatSocialSecurityNumber(social_security_number)
{
	var numbers_only = social_security_number.replace(/[^0-9]/g, '');
	var length = numbers_only.length;
	if(length == 0)
		return '';

	var formatted_social_security_number = numbers_only.substr(0, 3);
	if(length >= 4)
		formatted_social_security_number += '-' + numbers_only.substr(3, 2);
	if(length >= 6)
		formatted_social_security_number += '-' + numbers_only.substr(5, 4);
	return formatted_social_security_number;
}

function numbersOnly(string) { return string.replace(/[^0-9-]/g, ''); }
function floatNumbersOnly(string) {	return string.replace(/[^0-9.-]/g, ''); }

function formatDollars(string)
{
	string = setDecimal(floatNumbersOnly(string), 2);
	if(string.substr(0, 1) == '.')
		string = 0 + string;
	return string;
}

function charFromCharCode (charCode) 
{
    return unescape('%' + charCode.toString(16));
}

function urlencode (clearString) 
{
  var output = '';
  var x = 0;
  clearString = clearString.toString();
  var regex = /(^[a-zA-Z0-9_.]*)/;
  while (x < clearString.length) {
    var match = regex.exec(clearString.substr(x));
    if (match != null && match.length > 1 && match[1] != '') {
    	output += match[1];
      x += match[1].length;
    } else {
      if (clearString[x] == ' ')
        output += '+';
      else {
        var charCode = clearString.charCodeAt(x);
        var hexVal = charCode.toString(16);
        output += '%' + ( hexVal.length < 2 ? '0' : '' ) + hexVal.toUpperCase();
      }
      x++;
    }
  }
  return output;
}

function urldecode (encodedString) {
  var output = encodedString;
  var binVal, thisString;
  var myregexp = /(%[^%]{2})/;
  while ((match = myregexp.exec(output)) != null
             && match.length > 1
             && match[1] != '') {
    binVal = parseInt(match[1].substr(1),16);
    thisString = String.fromCharCode(binVal);
    output = output.replace(match[1], thisString);
  }
  return output;
}

/*
        TableSort revisited v5.0 by frequency-decoder.com

        Released under a creative commons Attribution-ShareAlike 2.5 license (http://creativecommons.org/licenses/by-sa/2.5/)

        Please credit frequency decoder in any derivative work - thanks

        You are free:

        * to copy, distribute, display, and perform the work
        * to make derivative works
        * to make commercial use of the work

        Under the following conditions:

                by Attribution.
                --------------
                You must attribute the work in the manner specified by the author or licensor.

                sa
                --
                Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under a license identical to this one.

        * For any reuse or distribution, you must make clear to others the license terms of this work.
        * Any of these conditions can be waived if you get permission from the copyright holder.
*/

(function() {
fdTableSort = {
        regExp_Currency:        /^[Â£$â‚¬Â¥Â¤]/,
        regExp_Number:          /^(\-)?[0-9]+(\.[0-9]*)?$/,
        pos:                    -1,
        uniqueHash:             1,
        thNode:                 null,
        tableId:                null,
        tableCache:             {},
        tmpCache:               {},
        sortActiveClass:        "sort-active",
        /*@cc_on
        /*@if (@_win32)
        colspan:                "colSpan",
        rowspan:                "rowSpan",
        @else @*/
        colspan:                "colspan",
        rowspan:                "rowspan",
        /*@end
        @*/
        
        addEvent: function(obj, type, fn, tmp) {
                tmp || (tmp = true);
                if( obj.attachEvent ) {
                        obj["e"+type+fn] = fn;
                        obj[type+fn] = function(){obj["e"+type+fn]( window.event );};
                        obj.attachEvent( "on"+type, obj[type+fn] );
                } else {
                        obj.addEventListener( type, fn, true );
                };
        },
        removeEvent: function(obj, type, fn, tmp) {
                tmp || (tmp = true);
                try {
                        if( obj.detachEvent ) {
                                obj.detachEvent( "on"+type, obj[type+fn] );
                                obj[type+fn] = null;
                        } else {
                                obj.removeEventListener( type, fn, true );
                        };
                } catch(err) {};
        },
        stopEvent: function(e) {
                e = e || window.event;

                if(e.stopPropagation) {
                        e.stopPropagation();
                        e.preventDefault();
                };
                
                /*@cc_on@*/
                /*@if(@_win32)
                e.cancelBubble = true;
                e.returnValue  = false;
                /*@end@*/
                return false;
        },
        parseClassName: function(head, tbl) {
                var colMatch = tbl.className.match(new RegExp(head + "((-[\\d]+([r]){0,1})+)"));
                return colMatch && colMatch.length ? colMatch[0].replace(head, "").split("-") : [];
        },
        disableSelection: function(element) {
                element.onselectstart = function() {
                        return false;
                };
                element.unselectable = "on";
                element.style.MozUserSelect = "none";
        },
        removeTableCache: function(tableId) {
                if(!(tableId in fdTableSort.tableCache)) return;

                fdTableSort.tableCache[tableId] = null;
                delete fdTableSort.tableCache[tableId];

                var tbl = document.getElementById(tableId);
                if(!tbl) return;
                var ths = tbl.getElementsByTagName("th");
                var a;
                for(var i = 0, th; th = ths[i]; i++) {
                        a = th.getElementsByTagName("a");
                        if(a.length) a[0].onkeydown = a[0].onclick = null;
                        th.onclick = th.onselectstart = th = a = null;
                };
        },
        removeTmpCache: function(tableId) {
                if(!(tableId in fdTableSort.tmpCache)) return;
                var headers = fdTableSort.tmpCache[tableId].headers;
                var a;
                for(var i = 0, row; row = headers[i]; i++) {
                        for(var j = 0, th; th = row[j]; j++) {
                                a = th.getElementsByTagName("a");
                                if(a.length) a[0].onkeydown = a[0].onclick = null;
                                th.onclick = th.onselectstart = th = a = null;
                        };
                };
                fdTableSort.tmpCache[tableId] = null;
                delete fdTableSort.tmpCache[tableId];
        },
        initEvt: function(e) {
                fdTableSort.init(false);
        },
        init: function(tableId) {
                if (!document.getElementsByTagName || !document.createElement || !document.getElementById) return;

                var tables = tableId && document.getElementById(tableId) ? [document.getElementById(tableId)] : document.getElementsByTagName("table");
                var c, ii, len, colMatch, showOnly, match, showArrow, columnNumSortObj, obj, workArr, headers, thtext, aclone, multi, colCnt, cel, allRowArr, rowArr, sortableTable, celCount, colspan, rowspan, rowLength;

                var a          = document.createElement("a");
                a.href         = "#";
                a.className    = "fdTableSortTrigger";

                var span       = document.createElement("span");

                for(var k = 0, tbl; tbl = tables[k]; k++) {

                        if(tbl.id) {
                                fdTableSort.removeTableCache(tbl.id);
                                fdTableSort.removeTmpCache(tbl.id);
                        };

                        allRowArr     = tbl.getElementsByTagName('thead').length ? tbl.getElementsByTagName('thead')[0].getElementsByTagName('tr') : tbl.getElementsByTagName('tr');
                        rowArr        = [];
                        sortableTable = false;

                        for(var i = 0, tr; tr = allRowArr[i]; i++) {
                                if(tr.getElementsByTagName('td').length || !tr.getElementsByTagName('th').length) { continue; };
                                rowArr[rowArr.length] = tr.getElementsByTagName('th');
                                for(var j = 0, th; th = rowArr[rowArr.length - 1][j]; j++) {
                                        if(th.className.search(/sortable/) != -1) { sortableTable = true; };
                                };
                        };

                        if(!sortableTable) continue;

                        if(!tbl.id) { tbl.id = "fd-table-" + fdTableSort.uniqueHash++; };

                        showArrow   = tbl.className.search("no-arrow") == -1;
                        showOnly    = tbl.className.search("sortable-onload-show") != -1;

                        columnNumSortObj = {};
                        colMatch         = fdTableSort.parseClassName(showOnly ? "sortable-onload-show" : "sortable-onload", tbl);
                        for(match = 1; match < colMatch.length; match++) {
                                columnNumSortObj[parseInt(colMatch[match], 10)] = { "reverse":colMatch[match].search("r") != -1 };
                        };

                        rowLength = rowArr[0].length;

                        for(c = 0;c < rowArr[0].length;c++){
                                if(rowArr[0][c].getAttribute(fdTableSort.colspan) && rowArr[0][c].getAttribute(fdTableSort.colspan) > 1){
                                        rowLength = rowLength + (rowArr[0][c].getAttribute(fdTableSort.colspan) - 1);
                                };
                        };

                        workArr = new Array(rowArr.length);
                        for(c = rowArr.length;c--;){ workArr[c]= new Array(rowLength); };

                        for(c = 0;c < workArr.length;c++){
                                celCount = 0;
                                for(i = 0;i < rowLength;i++){
                                        if(!workArr[c][i]){
                                                cel = rowArr[c][celCount];
                                                colspan = (cel.getAttribute(fdTableSort.colspan) > 1) ? cel.getAttribute(fdTableSort.colspan):1;
                                                rowspan = (cel.getAttribute(fdTableSort.rowspan) > 1) ? cel.getAttribute(fdTableSort.rowspan):1;
                                                for(var t = 0;((t < colspan)&&((i+t) < rowLength));t++){
                                                        for(var n = 0;((n < rowspan)&&((c+n) < workArr.length));n++) {
                                                                workArr[(c+n)][(i+t)] = cel;
                                                        };
                                                };
                                                if(++celCount == rowArr[c].length) break;
                                        };
                                };
                        };

                        for(c = 0;c < workArr.length;c++) {
                                for(i = 0;i < workArr[c].length;i++){

                                        if(workArr[c][i].className.search("fd-column-") == -1 && workArr[c][i].className.search("sortable") != -1) workArr[c][i].className = workArr[c][i].className + " fd-column-" + i;

                                        if(workArr[c][i].className.match('sortable')) {
                                                workArr[c][i].className = workArr[c][i].className.replace(/forwardSort|reverseSort/, "");

                                                if(i in columnNumSortObj) {
                                                        columnNumSortObj[i]["thNode"] = workArr[c][i];
                                                        columnNumSortObj["active"] = true;
                                                };

                                                thtext = fdTableSort.getInnerText(workArr[c][i], true);
                                                
                                                for(var cn = workArr[c][i].childNodes.length; cn--;) {
                                                        // Skip image nodes and links created by the filter script.
                                                        if(workArr[c][i].childNodes[cn].nodeType == 1 && (workArr[c][i].childNodes[cn].className == "fdFilterTrigger" || /img/i.test(workArr[c][i].childNodes[cn].nodeName))) {
                                                                continue;
                                                        };
                                                        if(workArr[c][i].childNodes[cn].nodeType == 1 && /^a$/i.test(workArr[c][i].childNodes[cn].nodeName)) {
                                                                workArr[c][i].childNodes[cn].onclick = workArr[c][i].childNodes[cn].onkeydown = null;
                                                        };
                                                        workArr[c][i].removeChild(workArr[c][i].childNodes[cn]);
                                                };

                                                aclone = a.cloneNode(true);
                                                //aclone.appendChild(document.createTextNode(thtext));
                                                aclone.innerHTML = thtext;
                                                aclone.title = "Sort on \u201c" + thtext.replace('<br />', '') + "\u201d";
                                                aclone.onclick = aclone.onkeydown = workArr[c][i].onclick = fdTableSort.initWrapper;
                                                workArr[c][i].appendChild(aclone);
                                                if(showArrow) workArr[c][i].appendChild(span.cloneNode(false));
                                                workArr[c][i].className = workArr[c][i].className.replace(/fd-identical|fd-not-identical/, "");
                                                fdTableSort.disableSelection(workArr[c][i]);
                                                aclone = null;
                                        };
                                };
                        };

                        fdTableSort.tmpCache[tbl.id] = {cols:rowLength, headers:workArr};

                        workArr = null;
                        multi   = 0;

                        if("active" in columnNumSortObj) {
                                fdTableSort.tableId = tbl.id;
                                fdTableSort.prepareTableData(document.getElementById(fdTableSort.tableId));

                                delete columnNumSortObj["active"];

                                for(col in columnNumSortObj) {
                                        obj = columnNumSortObj[col];
                                        if(!("thNode" in obj)) { continue; };
                                        fdTableSort.multi = true;

                                        len = obj.reverse ? 2 : 1;

                                        for(ii = 0; ii < len; ii++) {
                                                fdTableSort.thNode = obj.thNode;
                                                if(!showOnly) {
                                                        fdTableSort.initSort(false, true);
                                                } else {
                                                        fdTableSort.addThNode();
                                                };
                                        };

                                        if(showOnly) {
                                                fdTableSort.removeClass(obj.thNode, "(forwardSort|reverseSort)");
                                                fdTableSort.addClass(obj.thNode, obj.reverse ? "reverseSort" : "forwardSort");
                                                if(showArrow) {
                                                        span = fdTableSort.thNode.getElementsByTagName('span')[0];
                                                        if(span.firstChild) { span.removeChild(span.firstChild); };
                                                        span.appendChild(document.createTextNode(len == 1 ? " \u2193" : " \u2191"));
                                                };
                                        };
                                };
                                if(showOnly && (fdTableSort.tableCache[tbl.id].colStyle || fdTableSort.tableCache[tbl.id].rowStyle)) {
                                        fdTableSort.redraw(tbl.id, false);
                                };
                        } else if(tbl.className.search(/onload-zebra/) != -1) {
                                fdTableSort.tableId = tbl.id;
                                fdTableSort.prepareTableData(tbl);
                                if(fdTableSort.tableCache[tbl.id].rowStyle) { fdTableSort.redraw(tbl.id, false); };
                        };
                };

                fdTableSort.thNode = aclone = a = span = columnNumSortObj = thNode = tbl = allRowArr = rowArr = null;
        },
        initWrapper: function(e) {
                e = e || window.event;
                var kc = e.type == "keydown" ? e.keyCode != null ? e.keyCode : e.charCode : -1;
                if(fdTableSort.thNode == null && (e.type == "click" || kc == 13)) {
                        var targ = this;
                        while(targ.tagName.toLowerCase() != "th") { targ = targ.parentNode; };
                        fdTableSort.thNode = targ;
                        while(targ.tagName.toLowerCase() != "table") { targ = targ.parentNode; };
                        fdTableSort.tableId = targ.id;
                        fdTableSort.multi = e.shiftKey;
                        fdTableSort.addSortActiveClass();
                        setTimeout(fdTableSort.initSort,5,false);
                        return fdTableSort.stopEvent(e);
                };
                return kc != -1 ? true : fdTableSort.stopEvent(e);
        },
        jsWrapper: function(tableid, colNums) {
                if(!(tableid in fdTableSort.tmpCache)) { return false; };
                if(!(tableid in fdTableSort.tableCache)) { fdTableSort.prepareTableData(document.getElementById(tableid)); };
                if(!(colNums instanceof Array)) { colNums = [colNums]; };

                fdTableSort.tableId = tableid;
                var len = colNums.length, colNum;

                if(fdTableSort.tableCache[tableid].thList.length == colNums.length) {
                        var identical = true;
                        var th;
                        for(var i = 0; i < len; i++) {
                                colNum = colNums[i];
                                th = fdTableSort.tmpCache[tableid].headers[0][colNum];
                                if(th != fdTableSort.tableCache[tableid].thList[i]) {
                                        identical = false;
                                        break;
                                };
                        };
                        if(identical) {
                                fdTableSort.thNode = th;
                                fdTableSort.initSort(true);
                                return;
                        };
                };

                fdTableSort.addSortActiveClass();

                for(var i = 0; i < len; i++) {
                        fdTableSort.multi = i;
                        colNum = colNums[i];
                        fdTableSort.thNode = fdTableSort.tmpCache[tableid].headers[0][colNum];
                        fdTableSort.initSort(true);
                };
        },
        addSortActiveClass: function() {
                if(fdTableSort.thNode == null) { return; };
                fdTableSort.addClass(fdTableSort.thNode, fdTableSort.sortActiveClass);
                fdTableSort.addClass(document.getElementsByTagName('body')[0], fdTableSort.sortActiveClass);
        },
        removeSortActiveClass: function() {
                if(fdTableSort.thNode == null) return;
                fdTableSort.removeClass(fdTableSort.thNode, fdTableSort.sortActiveClass);
                fdTableSort.removeClass(document.getElementsByTagName('body')[0], fdTableSort.sortActiveClass);
        },
        doCallback: function(init) {
                if(!fdTableSort.tableId || !(fdTableSort.tableId in fdTableSort.tableCache)) { return; };
                fdTableSort.callback(fdTableSort.tableId, init ? fdTableSort.tableCache[fdTableSort.tableId].initiatedCallback : fdTableSort.tableCache[fdTableSort.tableId].completeCallback);
        },
        addClass: function(e,c) {
                if(new RegExp("(^|\\s)" + c + "(\\s|$)").test(e.className)) { return; };
                e.className += ( e.className ? " " : "" ) + c;
        },
        /*@cc_on
        /*@if (@_win32)
        removeClass: function(e,c) {
                e.className = !c ? "" : e.className.replace(new RegExp("(^|\\s)" + c + "(\\s|$)"), " ").replace(/^\s*((?:[\S\s]*\S)?)\s*$/, '$1');
        },
        @else @*/
        removeClass: function(e,c) {
                e.className = !c ? "" : e.className.replace(new RegExp("(^|\\s)" + c + "(\\s|$)"), " ").replace(/^\s\s*/, '').replace(/\s\s*$/, '');
        },
        /*@end
        @*/
        callback: function(tblId, cb) {
                var func, parts;
                try {
                        if(cb.indexOf(".") != -1) {                              
                                parts = cb.split('.');
                                obj   = window;
                                for (var x = 0, part; part = obj[parts[x]]; x++) {
                                        if(part instanceof Function) {
                                                (function() {
                                                        var method = part;
                                                        func = function (data) { method.apply(obj, [data]) };
                                                })();
                                        } else {
                                                obj = part;
                                        };
                                };
                        } else if(cb + tblId in window) {
                                func = window[cb + tblId];
                        } else if(cb in window) {
                                func = window[cb];
                        } else {
                                func = null;
                        };
                 } catch(err) {};
                           
                if(!(func instanceof Function)) return;
                func(tblId, fdTableSort.tableCache[tblId].thList);                               
        },
        prepareTableData: function(table) {
                var data = [];

                var start = table.getElementsByTagName('tbody');
                start = start.length ? start[0] : table;

                var trs = start.rows;
                var ths = table.getElementsByTagName('th');

                var numberOfRows = trs.length;
                var numberOfCols = fdTableSort.tmpCache[table.id].cols;

                var data = [];
                var identical = new Array(numberOfCols);
                var identVal  = new Array(numberOfCols);

                for(var tmp = 0; tmp < numberOfCols; tmp++) identical[tmp] = true;

                var tr, td, th, txt, tds, col, row;

                var re = new RegExp(/fd-column-([0-9]+)/);
                var rowCnt = 0;

                var sortableColumnNumbers = [];

                for(var tmp = 0, th; th = ths[tmp]; tmp++) {
                        if(th.className.search(re) == -1) continue;
                        sortableColumnNumbers[sortableColumnNumbers.length] = th;
                };

                for(row = 0; row < numberOfRows; row++) {

                        tr              = trs[row];
                        if(tr.parentNode != start || tr.getElementsByTagName("th").length || (tr.parentNode && tr.parentNode.tagName.toLowerCase().search(/thead|tfoot/) != -1)) continue;
                        data[rowCnt]    = [];
                        tds             = tr.cells;

                        for(var tmp = 0, th; th = sortableColumnNumbers[tmp]; tmp++) {
                                col = th.className.match(re)[1];

                                td  = tds[col];
                                txt = fdTableSort.getInnerText(td) + " ";
                                txt = txt.replace(/^\s+/,'').replace(/\s+$/,'');

                                if(th.className.search(/sortable-date/) != -1) {
                                        txt = fdTableSort.dateFormat(txt, th.className.search(/sortable-date-dmy/) != -1);
                                } else if(th.className.search(/sortable-numeric|sortable-currency/) != -1) {
                                        txt = parseFloat(txt.replace(/[^0-9\.\-]/g,''));
                                        if(isNaN(txt)) txt = "";
                                } else if(th.className.search(/sortable-text/) != -1) {
                                        txt = txt.toLowerCase();
                                } else if (th.className.search(/sortable-keep/) != -1) {
                                        txt = rowCnt;
                                } else if(th.className.search(/sortable-([a-zA-Z\_]+)/) != -1) {
                                        if((th.className.match(/sortable-([a-zA-Z\_]+)/)[1] + "PrepareData") in window) {
                                                txt = window[th.className.match(/sortable-([a-zA-Z\_]+)/)[1] + "PrepareData"](td, txt);
                                        };
                                } else if(txt != "") {
                                        fdTableSort.removeClass(th, "sortable");
                                        if(fdTableSort.dateFormat(txt) != 0) {
                                                fdTableSort.addClass(th, "sortable-date");
                                                txt = fdTableSort.dateFormat(txt);
                                        } else if(txt.search(fdTableSort.regExp_Number) != -1 || txt.search(fdTableSort.regExp_Currency) != -1) {
                                                fdTableSort.addClass(th, "sortable-numeric");
                                                txt = parseFloat(txt.replace(/[^0-9\.\-]/g,''));
                                                if(isNaN(txt)) txt = "";
                                        } else {
                                                fdTableSort.addClass(th, "sortable-text");
                                                txt = txt.toLowerCase();
                                        };
                                };

                                if(rowCnt > 0 && identical[col] && identVal[col] != txt) { identical[col] = false; };

                                identVal[col]     = txt;
                                data[rowCnt][col] = txt;
                        };
                        data[rowCnt][numberOfCols] = tr;
                        rowCnt++;
                };

                var colStyle = table.className.search(/colstyle-([\S]+)/) != -1 ? table.className.match(/colstyle-([\S]+)/)[1] : false;
                var rowStyle = table.className.search(/rowstyle-([\S]+)/) != -1 ? table.className.match(/rowstyle-([\S]+)/)[1] : false;
                var iCBack   = table.className.search(/sortinitiatedcallback-([\S-]+)/) == -1 ? "sortInitiatedCallback" : table.className.match(/sortinitiatedcallback-([\S]+)/)[1];
                var cCBack   = table.className.search(/sortcompletecallback-([\S-]+)/) == -1 ? "sortCompleteCallback" : table.className.match(/sortcompletecallback-([\S]+)/)[1];
                iCBack = iCBack.replace("-", ".");
                cCBack = cCBack.replace("-", ".");
                fdTableSort.tableCache[table.id] = { hook:start, initiatedCallback:iCBack, completeCallback:cCBack, thList:[], colOrder:{}, data:data, identical:identical, colStyle:colStyle, rowStyle:rowStyle, noArrow:table.className.search(/no-arrow/) != -1 };
                sortableColumnNumbers = data = tr = td = th = trs = identical = identVal = null;
        },
        onUnload: function() {
                for(tbl in fdTableSort.tableCache) { fdTableSort.removeTableCache(tbl); };
                for(tbl in fdTableSort.tmpCache) { fdTableSort.removeTmpCache(tbl); };
                fdTableSort.removeEvent(window, "load", fdTableSort.initEvt);
                fdTableSort.removeEvent(window, "unload", fdTableSort.onUnload);
                fdTableSort.tmpCache = fdTableSort.tableCache = null;
        },
        addThNode: function() {
                var dataObj = fdTableSort.tableCache[fdTableSort.tableId];
                var pos     = fdTableSort.thNode.className.match(/fd-column-([0-9]+)/)[1];
                var alt     = false;

                if(!fdTableSort.multi) {
                        if(dataObj.colStyle) {
                                var len = dataObj.thList.length;
                                for(var i = 0; i < len; i++) {
                                        dataObj.colOrder[dataObj.thList[i].className.match(/fd-column-([0-9]+)/)[1]] = false;
                                };
                        };
                        if(dataObj.thList.length && dataObj.thList[0] == fdTableSort.thNode) alt = true;
                        dataObj.thList = [];
                };

                var found = false;
                var l = dataObj.thList.length;

                for(var i = 0, n; n = dataObj.thList[i]; i++) {
                        if(n == fdTableSort.thNode) {
                                found = true;
                                break;
                        };
                };

                if(!found) {
                        dataObj.thList.push(fdTableSort.thNode);
                        if(dataObj.colStyle) { dataObj.colOrder[pos] = true; };
                };

                var ths = document.getElementById(fdTableSort.tableId).getElementsByTagName("th");
                for(var i = 0, th; th = ths[i]; i++) {
                        found = false;
                        for(var z = 0, n; n = dataObj.thList[z]; z++) {
                                if(n == th) {
                                        found = true;
                                        break;
                                };
                        };
                        if(!found) {
                                fdTableSort.removeClass(th, "(forwardSort|reverseSort)");
                                if(!dataObj.noArrow) {
                                        span = th.getElementsByTagName('span');
                                        if(span.length) {
                                                span = span[0];
                                                while(span.firstChild) span.removeChild(span.firstChild);
                                        };
                                };
                        };
                };

                if(dataObj.thList.length > 1) {
                        classToAdd = fdTableSort.thNode.className.search(/forwardSort/) != -1 ? "reverseSort" : "forwardSort";
                        fdTableSort.removeClass(fdTableSort.thNode, "(forwardSort|reverseSort)");
                        fdTableSort.addClass(fdTableSort.thNode, classToAdd);
                        dataObj.pos = -1
                } else if(alt) { dataObj.pos = fdTableSort.thNode };
        },
        initSort: function(noCallback, ident) {
                var thNode      = fdTableSort.thNode;
                var tableElem   = document.getElementById(fdTableSort.tableId);

                if(!(fdTableSort.tableId in fdTableSort.tableCache)) { fdTableSort.prepareTableData(document.getElementById(fdTableSort.tableId)); };

                fdTableSort.addThNode();

                if(!noCallback) { fdTableSort.doCallback(true); };

                fdTableSort.pos = thNode.className.match(/fd-column-([0-9]+)/)[1];
                var dataObj     = fdTableSort.tableCache[tableElem.id];
                var lastPos     = dataObj.pos && dataObj.pos.className ? dataObj.pos.className.match(/fd-column-([0-9]+)/)[1] : -1;
                var len1        = dataObj.data.length;
                var len2        = dataObj.data.length > 0 ? dataObj.data[0].length - 1 : 0;
                var identical   = dataObj.identical[fdTableSort.pos];
                var classToAdd  = "forwardSort";

                if(dataObj.thList.length > 1) {
                        var js  = "var sortWrapper = function(a,b) {\n";
                        var l   = dataObj.thList.length;
                        var cnt = 0;
                        var e,d,th,p,f;

                        for(var i=0; i < l; i++) {
                                th = dataObj.thList[i];
                                p  = th.className.match(/fd-column-([0-9]+)/)[1];
                                if(dataObj.identical[p]) { continue; };
                                cnt++;

                                if(th.className.match(/sortable-(numeric|currency|date|keep)/)) {
                                        f = "fdTableSort.sortNumeric";
                                } else if(th.className.match('sortable-text')) {
                                        f = "fdTableSort.sortText";
                                } else if(th.className.search(/sortable-([a-zA-Z\_]+)/) != -1 && th.className.match(/sortable-([a-zA-Z\_]+)/)[1] in window) {
                                        f = "window['" + th.className.match(/sortable-([a-zA-Z\_]+)/)[1] + "']";
                                } else  f = "fdTableSort.sortText";

                                e = "e" + i;
                                d = th.className.search('forwardSort') != -1 ? "a,b" : "b,a";
                                js += "fdTableSort.pos   = " + p + ";\n";
                                js += "var " + e + " = "+f+"(" + d +");\n";
                                js += "if(" + e + ") return " + e + ";\n";
                                js += "else { \n";
                        };

                        js += "return 0;\n";

                        for(var i=0; i < cnt; i++) {
                                js += "};\n";
                        };

                        if(cnt) js += "return 0;\n";
                        js += "};\n";

                        eval(js);
                        dataObj.data.sort(sortWrapper);
                        identical = false;
                } else if((lastPos == fdTableSort.pos && !identical) || (thNode.className.search(/sortable-keep/) != -1 && lastPos == -1)) {
                        dataObj.data.reverse();
                        classToAdd = thNode.className.search(/reverseSort/) != -1 ? "forwardSort" : "reverseSort";
                        if(thNode.className.search(/sortable-keep/) != -1 && lastPos == -1) fdTableSort.tableCache[tableElem.id].pos = thNode;
                } else {
                        fdTableSort.tableCache[tableElem.id].pos = thNode;
                        classToAdd = thNode.className.search(/forwardSort/) != -1 ? "reverseSort" : "forwardSort";
                        if(!identical) {
                                if(thNode.className.match(/sortable-(numeric|currency|date|keep)/)) {
                                        dataObj.data.sort(fdTableSort.sortNumeric);
                                } else if(thNode.className.match('sortable-text')) {
                                        dataObj.data.sort(fdTableSort.sortText);
                                } else if(thNode.className.search(/sortable-([a-zA-Z\_]+)/) != -1 && thNode.className.match(/sortable-([a-zA-Z\_]+)/)[1] in window) {
                                        dataObj.data.sort(window[thNode.className.match(/sortable-([a-zA-Z\_]+)/)[1]]);
                                };

                                if(thNode.className.search(/(^|\s)favour-reverse($|\s)/) != -1) {
                                        classToAdd = classToAdd == "forwardSort" ? "reverseSort" : "forwardSort";
                                        dataObj.data.reverse();
                                };
                        };
                };
                if(ident) { identical = false; };
                if(dataObj.thList.length == 1) {
                        fdTableSort.removeClass(thNode, "(forwardSort|reverseSort)");
                        fdTableSort.addClass(thNode, classToAdd);
                };
                if(!dataObj.noArrow) {
                        var span = fdTableSort.thNode.getElementsByTagName('span')[0];
                        if(span.firstChild) span.removeChild(span.firstChild);
                        span.appendChild(document.createTextNode(fdTableSort.thNode.className.search(/forwardSort/) != -1 ? " \u2193" : " \u2191"));
                };
                if(!dataObj.rowStyle && !dataObj.colStyle && identical) {
                        fdTableSort.removeSortActiveClass();
                        if(!noCallback) { fdTableSort.doCallback(false); };
                        fdTableSort.thNode = null;
                        return;
                };
                if("tablePaginater" in window && tablePaginater.tableIsPaginated(fdTableSort.tableId)) {
                        tablePaginater.redraw(fdTableSort.tableId, identical);
                } else {
                        fdTableSort.redraw(fdTableSort.tableId, identical);
                };
                fdTableSort.removeSortActiveClass();
                if(!noCallback) { fdTableSort.doCallback(false); };
                fdTableSort.thNode = null;
        },
        redraw: function(tableid, identical) {
                if(!tableid || !(tableid in fdTableSort.tableCache)) { return; };
                var dataObj     = fdTableSort.tableCache[tableid];
                var data        = dataObj.data;
                var len1        = data.length;
                var len2        = len1 ? data[0].length - 1 : 0;
                var hook        = dataObj.hook;
                var colStyle    = dataObj.colStyle;
                var rowStyle    = dataObj.rowStyle;
                var colOrder    = dataObj.colOrder;
                var highLight   = 0;
                var reg         = /(^|\s)invisibleRow(\s|$)/;
                var tr, tds;

                for(var i = 0; i < len1; i++) {
                        tr = data[i][len2];
                        if(colStyle) {
                                tds = tr.cells;
                                for(thPos in colOrder) {
                                        if(!colOrder[thPos]) fdTableSort.removeClass(tds[thPos], colStyle);
                                        else fdTableSort.addClass(tds[thPos], colStyle);
                                };
                        };
                        if(!identical) {
                                if(rowStyle && tr.className.search(reg) == -1) {
                                        if(highLight++ & 1) fdTableSort.addClass(tr, rowStyle);
                                        else fdTableSort.removeClass(tr, rowStyle);
                                };

                                // Netscape 8.1.2 requires the removeChild call or it freaks out, so add the line if you want to support this browser
                                // hook.removeChild(tr);
                                hook.appendChild(tr);
                        };
                };
                tr = tds = hook = null;
        },
        getInnerText: function(el, allowBrTags) {
                if (typeof el == "string" || typeof el == "undefined") return el;
                if(el.innerText) return el.innerText;
                var txt = '', i;
                for(i = el.firstChild; i; i = i.nextSibling) {
                        if(allowBrTags && i.nodeName && i.nodeName == "BR") txt += "<br />";
                        else if(i.nodeType == 3)       txt += i.nodeValue;
                        else if(i.nodeType == 1)       txt += fdTableSort.getInnerText(i);
                };
                return txt;
        },
        dateFormat: function(dateIn, favourDMY) {
                var dateTest = [
                        { regExp:/^(0?[1-9]|1[012])([- \/.])(0?[1-9]|[12][0-9]|3[01])([- \/.])((\d\d)?\d\d)$/, d:3, m:1, y:5 },  // mdy
                        { regExp:/^(0?[1-9]|[12][0-9]|3[01])([- \/.])(0?[1-9]|1[012])([- \/.])((\d\d)?\d\d)$/, d:1, m:3, y:5 },  // dmy
                        { regExp:/^(\d\d\d\d)([- \/.])(0?[1-9]|1[012])([- \/.])(0?[1-9]|[12][0-9]|3[01])$/, d:5, m:3, y:1 }      // ymd
                        ];
                var start, cnt = 0, numFormats = dateTest.length;
                while(cnt < numFormats) {
                        start = (cnt + (favourDMY ? numFormats + 1 : numFormats)) % numFormats;
                        if(dateIn.match(dateTest[start].regExp)) {
                                res = dateIn.match(dateTest[start].regExp);
                                y = res[dateTest[start].y];
                                m = res[dateTest[start].m];
                                d = res[dateTest[start].d];
                                if(m.length == 1) m = "0" + String(m);
                                if(d.length == 1) d = "0" + String(d);
                                if(y.length != 4) y = (parseInt(y) < 50) ? "20" + String(y) : "19" + String(y);

                                return y+String(m)+d;
                        };
                        cnt++;
                };
                return 0;
        },
        sortNumeric:function(a,b) {
                var aa = a[fdTableSort.pos];
                var bb = b[fdTableSort.pos];
                if(aa == bb) return 0;
                if(aa === "" && !isNaN(bb)) return -1;
                if(bb === "" && !isNaN(aa)) return 1;
                return aa - bb;
        },
        sortText:function(a,b) {
                var aa = a[fdTableSort.pos];
                var bb = b[fdTableSort.pos];
                if(aa == bb) return 0;
                if(aa < bb)  return -1;
                return 1;
        }
};
})();
fdTableSort.addEvent(window, "load",   fdTableSort.initEvt);
fdTableSort.addEvent(window, "unload", fdTableSort.onUnload);


// variable_info.js

function count(variable)
{
	var i=0;
	if(typeof(variable) == 'object' && variable !== null)
	{
		if(typeof(variable.nodeName) != 'undefined') 
			return variable.length;

		foreach(variable, function() 
			{ i++; }
		);
	}
	else if(!empty(variable))
		i = 1;

	return i;
}

function empty(variable) 
{
	if(typeof(variable) == 'undefined')
		return 'Not set';

	if(typeof(variable) == 'object' && variable !== null)
	{
		//if DOM list
		if(array_key_exists(variable, 'nodeName'))
		{
			if(!variable.firstChild && empty(variable.nodeValue))
				return true;
			return false;
		}

		return !(Boolean(count(variable)));
	}    
	
	if(typeof(variable) == 'string')
		variable = trim(variable);

	return (variable == null || variable === '' || Number(variable) === 0 || variable === false); 
}

function isEmpty(variable)
{
	if(typeof variable != 'object')
		return empty(variable);
		
	var is_empty = true;
	foreach(variable, function(value)
	{
		if(!isEmpty(value))
		{
			is_empty = false;
			return; //break
		}
	});
	
	return is_empty;
}

function rdump(variable, display_full, stack_counter)
{
	if(variable === null)
		return 'NULL';
		
	var display_full = display_full || false;
	var stack_counter = stack_counter || 0;
	var string = '';

	if(typeof(variable) == 'object' && variable !== null)
	{
		string = (stack_counter == 0) ? typeof(variable) + "\n{\n" : '';

		var dom = (typeof(variable.nodeName) != 'undefined');

		if(dom)
		{
			for(i in variable)
				if(i != 'selectionStart' && i != 'selectionEnd' && i != 'boxObject')
					string += '[' + i + '] => ' + (display_full ? '(' + typeof(variable[i]) + ') ' : '') + variable[i] + "\n";
		}
		else
		{
			foreach(variable, function(value, key)
			{
				var i;
				var tabs = '';
				for(i=0; i<=stack_counter + 1; i++)
					tabs += "\t";
	
				string += tabs;
		
				if((typeof(value) == 'object'))
					string += '[' + key + '] => ' + (display_full ? typeof(value) + ' (' + value.length + ')' : '') + "\n " + tabs + "{\n" + rdump(value, display_full, (Number(stack_counter) + 1)) + tabs + "}\n";
				else
					string += '[' + key + '] => ' + (display_full ? '(' + typeof(value) + ') ' : '') + value + "\n";
			});
		}

		if(stack_counter == 0)
			string += '}';
	}
	else
    	string += '(' + typeof(variable) + ') ' + variable + "\n";

	return string;
}

function dump(variable, return_dump, display_full)
{
	var display_full = display_full || false;
	var return_dump = return_dump || false;

	if(return_dump)
		return rdump(variable, display_full);
	else
		echo('<pre>' + rdump(variable, display_full) + '</pre>');
}

function die(error_message)
{
	if(typeof(error_message) == 'string')
		alert(error_message);

	alert(IntentionalDie);
}

function invalidFunctionCall(function_arguments)
{
	var required_arguments = arguments;

	var i;
	var string = 'Invalid function call to function ' + function_arguments.callee.name + "()\n\n"
+"Required Arguments: \n";

	for(i=1; i< required_arguments.length; i++)
		string += '\targs[' + (i-1) + '] = ' + required_arguments[i] + "\n";

	string += "\nPassed Arguments: \n";

	for(i=0; i< function_arguments.length; i++)
		string += '\targs[' + i + '] = ' + function_arguments[i] + "\n";

	return string;
}

function getKey(e) 
{
	var ascii_code;
	if (!e) var e = window.event;
	if (e.keyCode) ascii_code = e.keyCode;
	else if (e.which) ascii_code = e.which;
	return ascii_code;
}    //tr_alternate.js
    //table_sort will mess up tr alternating colors. Tried applying an onpropertychange event to each tr, but I couldn't get it to trigger.
    function setAlternatingTrs()
    {
        var tables = $$('table.main tbody');

        tables.each
        (
            function (table)
            {
                if (false == table.hasClassName('no-alternation'))
                {
                    var table_rows = table.select('tr');
                    var idx = 0;
                    table_rows.each
                    (
                        function (row)
                        {
                            row.removeClassName('alternate');
                            if (idx % 2 == 0)
                            {
                                row.addClassName('alternate');
                            }
                            idx++;
                        }
                    );
                }
            }
        );
        return;
    }

    var confirm_exit = false;
    var num_fields_changed = 0;
    //confirm_exit.js
    function initConfirmExit()
    {
        $$('form.main').each(function (form)
        {
            form.getElements().invoke('observe', 'change', setConfirmExitTrue);
            form.observe('submit', function () { confirm_exit = false; } );
        });
        if ($('logout'))
		    $('logout').observe('click', function () { confirm_exit = false; } );

        Event.observe(window, 'beforeunload', confirmExit);
    }
    
    function setConfirmExitTrue() 
    { 
        num_fields_changed++;

        if (num_fields_changed >= 5)
        {
            confirm_exit = true; 
            $$('form.main').each(function (form)
            {
                form.getElements().invoke('stopObserving', 'change', setConfirmExitTrue);
            });
        }
    }

    function confirmExit(e)
    {
        if (confirm_exit)
            e.returnValue = 'All information you have entered will be lost if you continue.';
    }
    Event.observe(window, 'load', initConfirmExit);

    function initTextareas()
    {
        var textareas = Array();
        var cols, rows;
        
        //approxmate cols/rows from width/height
        $$('textarea').each
        (
            function (textarea)
            {
                if (textarea.readAttribute('readonly'))
                    return;

                var dimensions = textarea.getDimensions();
                cols = Math.round(parseInt(dimensions.width) / 7);
                rows = Math.round(parseInt(dimensions.height) / 20);
                
                if (0 == cols)
                    cols = 40;
                    
                if (0 == rows)
                    rows = 3;
                textarea.cols = cols;
                textarea.rows = rows;
                                    
                textarea.setStyle({width:'auto',height:'auto'});
                var hidden_input_name = textarea.id.match(/\]$/)
                    ? textarea.id.replace(/\]$/, '') + '_rows]'
                    : textarea.id + '_rows';

                textarea.insert({after: new Element('input', {type:'hidden', name:hidden_input_name, id: hidden_input_name}).setValue(textarea.rows)});
                textarea.observe('keyup', adjustTextareaHeight);
                textarea.observe('click', adjustTextareaHeight);
            }
        );
    }

    function adjustTextareaHeight(e)
    {
        var textarea = Event.element(e);
        var orig_rows = $(textarea.id+'_rows').value;
        var cols = textarea.readAttribute('cols');
        var i=0;
        var j;
        var lines = (is_ie ? 1 : 0);
        var length = textarea.value.length;
        while (i < textarea.value.length)
        {
            for (j = 0; j < cols; j++)
            {
                i++;
                if ("\n" == textarea.value.charAt(i))
                    break;
            }
            lines++;
        }

        if (lines < orig_rows)
            lines = orig_rows;

        textarea.rows = lines;
    }

    var disable_submit = true;
    function initSubmit()
    {
        var submit_buttons = $$('input.submit').each
        (
            function (submit)
            {
                submit.up('form').observe('submit', setSubmitWait);
            }
        )
    }

    function setSubmitWait(e)
    {
        var submit = Event.element(e).down('input.submit');
        if (disable_submit)
        {
            submit.disabled = true;
            submit.value = 'Wait...';
        }
    }
//***********************************************************************************************************************************/
//	LyteBox v3.22
//
//	 Author: Markus F. Hay
//  Website: http://www.dolem.com/lytebox
//	   Date: October 2, 2007
//	License: Creative Commons Attribution 3.0 License (http://creativecommons.org/licenses/by/3.0/)
// Browsers: Tested successfully on WinXP with the following browsers (using no DOCTYPE and Strict/Transitional/Loose DOCTYPES):
//				* Firefox: 2.0.0.7, 1.5.0.12
//				* Internet Explorer: 7.0, 6.0 SP2, 5.5 SP2
//				* Opera: 9.23
//
// Releases: For up-to-date and complete release information, visit http://www.dolem.com/forum/showthread.php?tid=62
//				* v3.22 (10/02/07)
//				* v3.21 (09/30/07)
//				* v3.20 (07/12/07)
//				* v3.10 (05/28/07)
//				* v3.00 (05/15/07)
//				* v2.02 (11/13/06)
//
//   Credit: LyteBox was originally derived from the Lightbox class (v2.02) that was written by Lokesh Dhakar. For more
//			 information please visit http://huddletogether.com/projects/lightbox2/
//***********************************************************************************************************************************/
Array.prototype.removeDuplicates = function () { for (var i = 1; i < this.length; i++) { if (this[i][0] == this[i-1][0]) { this.splice(i,1); } } }
Array.prototype.empty = function () { for (var i = 0; i <= this.length; i++) { this.shift(); } }
String.prototype.trim = function () { return this.replace(/^\s+|\s+$/g, ''); }

function LyteBox() {
	/*** Start Global Configuration ***/
		this.theme				= 'grey';	// themes: grey (default), red, green, blue, gold
		this.hideFlash			= true;		// controls whether or not Flash objects should be hidden
		this.outerBorder		= true;		// controls whether to show the outer grey (or theme) border
		this.resizeSpeed		= 8;		// controls the speed of the image resizing (1=slowest and 10=fastest)
		this.maxOpacity			= 80;		// higher opacity = darker overlay, lower opacity = lighter overlay
		this.navType			= 1;		// 1 = "Prev/Next" buttons on top left and left (default), 2 = "<< prev | next >>" links next to image number
		this.autoResize			= true;		// controls whether or not images should be resized if larger than the browser window dimensions
		this.doAnimations		= true;		// controls whether or not "animate" Lytebox, i.e. resize transition between images, fade in/out effects, etc.
		
		this.borderSize			= 12;		// if you adjust the padding in the CSS, you will need to update this variable -- otherwise, leave this alone...
	/*** End Global Configuration ***/
	
	/*** Configure Slideshow Options ***/
		this.slideInterval		= 4000;		// Change value (milliseconds) to increase/decrease the time between "slides" (10000 = 10 seconds)
		this.showNavigation		= true;		// true to display Next/Prev buttons/text during slideshow, false to hide
		this.showClose			= true;		// true to display the Close button, false to hide
		this.showDetails		= true;		// true to display image details (caption, count), false to hide
		this.showPlayPause		= true;		// true to display pause/play buttons next to close button, false to hide
		this.autoEnd			= true;		// true to automatically close Lytebox after the last image is reached, false to keep open
		this.pauseOnNextClick	= false;	// true to pause the slideshow when the "Next" button is clicked
        this.pauseOnPrevClick 	= true;		// true to pause the slideshow when the "Prev" button is clicked
	/*** End Slideshow Configuration ***/
	
	if(this.resizeSpeed > 10) { this.resizeSpeed = 10; }
	if(this.resizeSpeed < 1) { resizeSpeed = 1; }
	this.resizeDuration = (11 - this.resizeSpeed) * 0.15;
	this.resizeWTimerArray		= new Array();
	this.resizeWTimerCount		= 0;
	this.resizeHTimerArray		= new Array();
	this.resizeHTimerCount		= 0;
	this.showContentTimerArray	= new Array();
	this.showContentTimerCount	= 0;
	this.overlayTimerArray		= new Array();
	this.overlayTimerCount		= 0;
	this.imageTimerArray		= new Array();
	this.imageTimerCount		= 0;
	this.timerIDArray			= new Array();
	this.timerIDCount			= 0;
	this.slideshowIDArray		= new Array();
	this.slideshowIDCount		= 0;
	this.imageArray	 = new Array();
	this.activeImage = null;
	this.slideArray	 = new Array();
	this.activeSlide = null;
	this.frameArray	 = new Array();
	this.activeFrame = null;
	this.checkFrame();
	this.isSlideshow = false;
	this.isLyteframe = false;
	/*@cc_on
		/*@if (@_jscript)
			this.ie = (document.all && !window.opera) ? true : false;
		/*@else @*/
			this.ie = false;
		/*@end
	@*/
	this.ie7 = (this.ie && window.XMLHttpRequest);	
	this.initialize();
}
LyteBox.prototype.initialize = function() {
	this.updateLyteboxItems();
	var objBody = this.doc.getElementsByTagName("body").item(0);	
	if (this.doc.getElementById('lbOverlay')) {
		objBody.removeChild(this.doc.getElementById("lbOverlay"));
		objBody.removeChild(this.doc.getElementById("lbMain"));
	}
	var objOverlay = this.doc.createElement("div");
		objOverlay.setAttribute('id','lbOverlay');
		objOverlay.setAttribute((this.ie ? 'className' : 'class'), this.theme);
		if ((this.ie && !this.ie7) || (this.ie7 && this.doc.compatMode == 'BackCompat')) {
			objOverlay.style.position = 'absolute';
		}
		objOverlay.style.display = 'none';
		objBody.appendChild(objOverlay);
	var objLytebox = this.doc.createElement("div");
		objLytebox.setAttribute('id','lbMain');
		objLytebox.style.display = 'none';
		objBody.appendChild(objLytebox);
	var objOuterContainer = this.doc.createElement("div");
		objOuterContainer.setAttribute('id','lbOuterContainer');
		objOuterContainer.setAttribute((this.ie ? 'className' : 'class'), this.theme);
		objLytebox.appendChild(objOuterContainer);
	var objIframeContainer = this.doc.createElement("div");
		objIframeContainer.setAttribute('id','lbIframeContainer');
		objIframeContainer.style.display = 'none';
		objOuterContainer.appendChild(objIframeContainer);
	var objIframe = this.doc.createElement("iframe");
		objIframe.setAttribute('id','lbIframe');
		objIframe.setAttribute('name','lbIframe');
		objIframe.style.display = 'none';
		objIframeContainer.appendChild(objIframe);
	var objImageContainer = this.doc.createElement("div");
		objImageContainer.setAttribute('id','lbImageContainer');
		objOuterContainer.appendChild(objImageContainer);
	var objLyteboxImage = this.doc.createElement("img");
		objLyteboxImage.setAttribute('id','lbImage');
		objImageContainer.appendChild(objLyteboxImage);
	var objLoading = this.doc.createElement("div");
		objLoading.setAttribute('id','lbLoading');
		objOuterContainer.appendChild(objLoading);
	var objDetailsContainer = this.doc.createElement("div");
		objDetailsContainer.setAttribute('id','lbDetailsContainer');
		objDetailsContainer.setAttribute((this.ie ? 'className' : 'class'), this.theme);
		objLytebox.appendChild(objDetailsContainer);
	var objDetailsData =this.doc.createElement("div");
		objDetailsData.setAttribute('id','lbDetailsData');
		objDetailsData.setAttribute((this.ie ? 'className' : 'class'), this.theme);
		objDetailsContainer.appendChild(objDetailsData);
	var objDetails = this.doc.createElement("div");
		objDetails.setAttribute('id','lbDetails');
		objDetailsData.appendChild(objDetails);
	var objCaption = this.doc.createElement("span");
		objCaption.setAttribute('id','lbCaption');
		objDetails.appendChild(objCaption);
	var objHoverNav = this.doc.createElement("div");
		objHoverNav.setAttribute('id','lbHoverNav');
		objImageContainer.appendChild(objHoverNav);
	var objBottomNav = this.doc.createElement("div");
		objBottomNav.setAttribute('id','lbBottomNav');
		objDetailsData.appendChild(objBottomNav);
	var objPrev = this.doc.createElement("a");
		objPrev.setAttribute('id','lbPrev');
		objPrev.setAttribute((this.ie ? 'className' : 'class'), this.theme);
		objPrev.setAttribute('href','#');
		objHoverNav.appendChild(objPrev);
	var objNext = this.doc.createElement("a");
		objNext.setAttribute('id','lbNext');
		objNext.setAttribute((this.ie ? 'className' : 'class'), this.theme);
		objNext.setAttribute('href','#');
		objHoverNav.appendChild(objNext);
	var objNumberDisplay = this.doc.createElement("span");
		objNumberDisplay.setAttribute('id','lbNumberDisplay');
		objDetails.appendChild(objNumberDisplay);
	var objNavDisplay = this.doc.createElement("span");
		objNavDisplay.setAttribute('id','lbNavDisplay');
		objNavDisplay.style.display = 'none';
		objDetails.appendChild(objNavDisplay);
	var objClose = this.doc.createElement("a");
		objClose.setAttribute('id','lbClose');
		objClose.setAttribute((this.ie ? 'className' : 'class'), this.theme);
		objClose.setAttribute('href','#');
		objBottomNav.appendChild(objClose);
	var objPause = this.doc.createElement("a");
		objPause.setAttribute('id','lbPause');
		objPause.setAttribute((this.ie ? 'className' : 'class'), this.theme);
		objPause.setAttribute('href','#');
		objPause.style.display = 'none';
		objBottomNav.appendChild(objPause);
	var objPlay = this.doc.createElement("a");
		objPlay.setAttribute('id','lbPlay');
		objPlay.setAttribute((this.ie ? 'className' : 'class'), this.theme);
		objPlay.setAttribute('href','#');
		objPlay.style.display = 'none';
		objBottomNav.appendChild(objPlay);
};
LyteBox.prototype.updateLyteboxItems = function() {	
	var anchors = (this.isFrame) ? window.parent.frames[window.name].document.getElementsByTagName('a') : document.getElementsByTagName('a');
	for (var i = 0; i < anchors.length; i++) {
		var anchor = anchors[i];
		var relAttribute = String(anchor.getAttribute('rel'));
		if (anchor.getAttribute('href')) {
			if (relAttribute.toLowerCase().match('lytebox')) {
				anchor.onclick = function () { myLytebox.start(this, false, false); return false; }
			} else if (relAttribute.toLowerCase().match('lyteshow')) {
				anchor.onclick = function () { myLytebox.start(this, true, false); return false; }
			} else if (relAttribute.toLowerCase().match('lyteframe')) {
				anchor.onclick = function () { myLytebox.start(this, false, true); return false; }
			}
		}
	}
};
LyteBox.prototype.start = function(imageLink, doSlide, doFrame) {
	if (this.ie && !this.ie7) {	this.toggleSelects('hide');	}
	if (this.hideFlash) { this.toggleFlash('hide'); }
	this.isLyteframe = (doFrame ? true : false);
	var pageSize	= this.getPageSize();
	var objOverlay	= this.doc.getElementById('lbOverlay');
	var objBody		= this.doc.getElementsByTagName("body").item(0);
	objOverlay.style.height = pageSize[1] + "px";
	objOverlay.style.display = '';
	this.appear('lbOverlay', (this.doAnimations ? 0 : this.maxOpacity));
	var anchors = (this.isFrame) ? window.parent.frames[window.name].document.getElementsByTagName('a') : document.getElementsByTagName('a');
	if (this.isLyteframe) {
		this.frameArray = [];
		this.frameNum = 0;
		if ((imageLink.getAttribute('rel') == 'lyteframe')) {
			var rev = imageLink.getAttribute('rev');
			this.frameArray.push(new Array(imageLink.getAttribute('href'), imageLink.getAttribute('title'), (rev == null || rev == '' ? 'width: 400px; height: 400px; scrolling: auto;' : rev)));
		} else {
			if (imageLink.getAttribute('rel').indexOf('lyteframe') != -1) {
				for (var i = 0; i < anchors.length; i++) {
					var anchor = anchors[i];
					if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))) {
						var rev = anchor.getAttribute('rev');
						this.frameArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title'), (rev == null || rev == '' ? 'width: 400px; height: 400px; scrolling: auto;' : rev)));
					}
				}
				this.frameArray.removeDuplicates();
				while(this.frameArray[this.frameNum][0] != imageLink.getAttribute('href')) { this.frameNum++; }
			}
		}
	} else {
		this.imageArray = [];
		this.imageNum = 0;
		this.slideArray = [];
		this.slideNum = 0;
		if ((imageLink.getAttribute('rel') == 'lytebox')) {
			this.imageArray.push(new Array(imageLink.getAttribute('href'), imageLink.getAttribute('title')));
		} else {
			if (imageLink.getAttribute('rel').indexOf('lytebox') != -1) {
				for (var i = 0; i < anchors.length; i++) {
					var anchor = anchors[i];
					if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))) {
						this.imageArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title')));
					}
				}
				this.imageArray.removeDuplicates();
				while(this.imageArray[this.imageNum][0] != imageLink.getAttribute('href')) { this.imageNum++; }
			}
			if (imageLink.getAttribute('rel').indexOf('lyteshow') != -1) {
				for (var i = 0; i < anchors.length; i++) {
					var anchor = anchors[i];
					if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))) {
						this.slideArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title')));
					}
				}
				this.slideArray.removeDuplicates();
				while(this.slideArray[this.slideNum][0] != imageLink.getAttribute('href')) { this.slideNum++; }
			}
		}
	}
	var object = this.doc.getElementById('lbMain');
		object.style.top = (this.getPageScroll() + (pageSize[3] / 15)) + "px";
		object.style.display = '';
	if (!this.outerBorder) {
		this.doc.getElementById('lbOuterContainer').style.border = 'none';
		this.doc.getElementById('lbDetailsContainer').style.border = 'none';
	} else {
		this.doc.getElementById('lbOuterContainer').style.borderBottom = '';
		this.doc.getElementById('lbOuterContainer').setAttribute((this.ie ? 'className' : 'class'), this.theme);
	}
	this.doc.getElementById('lbOverlay').onclick = function() { myLytebox.end(); return false; }
	this.doc.getElementById('lbMain').onclick = function(e) {
		var e = e;
		if (!e) {
			if (window.parent.frames[window.name] && (parent.document.getElementsByTagName('frameset').length <= 0)) {
				e = window.parent.window.event;
			} else {
				e = window.event;
			}
		}
		var id = (e.target ? e.target.id : e.srcElement.id);
		if (id == 'lbMain') { myLytebox.end(); return false; }
	}
	this.doc.getElementById('lbClose').onclick = function() { myLytebox.end(); return false; }
	this.doc.getElementById('lbPause').onclick = function() { myLytebox.togglePlayPause("lbPause", "lbPlay"); return false; }
	this.doc.getElementById('lbPlay').onclick = function() { myLytebox.togglePlayPause("lbPlay", "lbPause"); return false; }	
	this.isSlideshow = doSlide;
	this.isPaused = (this.slideNum != 0 ? true : false);
	if (this.isSlideshow && this.showPlayPause && this.isPaused) {
		this.doc.getElementById('lbPlay').style.display = '';
		this.doc.getElementById('lbPause').style.display = 'none';
	}
	if (this.isLyteframe) {
		this.changeContent(this.frameNum);
	} else {
		if (this.isSlideshow) {
			this.changeContent(this.slideNum);
		} else {
			this.changeContent(this.imageNum);
		}
	}
};
LyteBox.prototype.changeContent = function(imageNum) {
	if (this.isSlideshow) {
		for (var i = 0; i < this.slideshowIDCount; i++) { window.clearTimeout(this.slideshowIDArray[i]); }
	}
	this.activeImage = this.activeSlide = this.activeFrame = imageNum;
	if (!this.outerBorder) {
		this.doc.getElementById('lbOuterContainer').style.border = 'none';
		this.doc.getElementById('lbDetailsContainer').style.border = 'none';
	} else {
		this.doc.getElementById('lbOuterContainer').style.borderBottom = '';
		this.doc.getElementById('lbOuterContainer').setAttribute((this.ie ? 'className' : 'class'), this.theme);
	}
	this.doc.getElementById('lbLoading').style.display = '';
	this.doc.getElementById('lbImage').style.display = 'none';
	this.doc.getElementById('lbIframe').style.display = 'none';
	this.doc.getElementById('lbPrev').style.display = 'none';
	this.doc.getElementById('lbNext').style.display = 'none';
	this.doc.getElementById('lbIframeContainer').style.display = 'none';
	this.doc.getElementById('lbDetailsContainer').style.display = 'none';
	this.doc.getElementById('lbNumberDisplay').style.display = 'none';
	if (this.navType == 2 || this.isLyteframe) {
		object = this.doc.getElementById('lbNavDisplay');
		object.innerHTML = '&nbsp;&nbsp;&nbsp;<span id="lbPrev2_Off" style="display: none;" class="' + this.theme + '">&laquo; prev</span><a href="#" id="lbPrev2" class="' + this.theme + '" style="display: none;">&laquo; prev</a> <b id="lbSpacer" class="' + this.theme + '">||</b> <span id="lbNext2_Off" style="display: none;" class="' + this.theme + '">next &raquo;</span><a href="#" id="lbNext2" class="' + this.theme + '" style="display: none;">next &raquo;</a>';
		object.style.display = 'none';
	}
	if (this.isLyteframe) {
		var iframe = myLytebox.doc.getElementById('lbIframe');
		var styles = this.frameArray[this.activeFrame][2];
		var aStyles = styles.split(';');
		for (var i = 0; i < aStyles.length; i++) {
			if (aStyles[i].indexOf('width:') >= 0) {
				var w = aStyles[i].replace('width:', '');
				iframe.width = w.trim();
			} else if (aStyles[i].indexOf('height:') >= 0) {
				var h = aStyles[i].replace('height:', '');
				iframe.height = h.trim();
			} else if (aStyles[i].indexOf('scrolling:') >= 0) {
				var s = aStyles[i].replace('scrolling:', '');
				iframe.scrolling = s.trim();
			} else if (aStyles[i].indexOf('border:') >= 0) {
				// Not implemented yet, as there are cross-platform issues with setting the border (from a GUI standpoint)
				//var b = aStyles[i].replace('border:', '');
				//iframe.style.border = b.trim();
			}
		}
		this.resizeContainer(parseInt(iframe.width), parseInt(iframe.height));
	} else {
		imgPreloader = new Image();
		imgPreloader.onload = function() {
			var imageWidth = imgPreloader.width;
			var imageHeight = imgPreloader.height;
			if (myLytebox.autoResize) {
				var pagesize = myLytebox.getPageSize();
				var x = pagesize[2] - 150;
				var y = pagesize[3] - 150;
				if (imageWidth > x) {
					imageHeight = Math.round(imageHeight * (x / imageWidth));
					imageWidth = x; 
					if (imageHeight > y) { 
						imageWidth = Math.round(imageWidth * (y / imageHeight));
						imageHeight = y; 
					}
				} else if (imageHeight > y) { 
					imageWidth = Math.round(imageWidth * (y / imageHeight));
					imageHeight = y; 
					if (imageWidth > x) {
						imageHeight = Math.round(imageHeight * (x / imageWidth));
						imageWidth = x;
					}
				}
			}
			var lbImage = myLytebox.doc.getElementById('lbImage')
			lbImage.src = (myLytebox.isSlideshow ? myLytebox.slideArray[myLytebox.activeSlide][0] : myLytebox.imageArray[myLytebox.activeImage][0]);
			lbImage.width = imageWidth;
			lbImage.height = imageHeight;
			myLytebox.resizeContainer(imageWidth, imageHeight);
			imgPreloader.onload = function() {};
		}
		imgPreloader.src = (this.isSlideshow ? this.slideArray[this.activeSlide][0] : this.imageArray[this.activeImage][0]);
	}
};
LyteBox.prototype.resizeContainer = function(imgWidth, imgHeight) {
	this.wCur = this.doc.getElementById('lbOuterContainer').offsetWidth;
	this.hCur = this.doc.getElementById('lbOuterContainer').offsetHeight;
	this.xScale = ((imgWidth  + (this.borderSize * 2)) / this.wCur) * 100;
	this.yScale = ((imgHeight  + (this.borderSize * 2)) / this.hCur) * 100;
	var wDiff = (this.wCur - this.borderSize * 2) - imgWidth;
	var hDiff = (this.hCur - this.borderSize * 2) - imgHeight;
	if (!(hDiff == 0)) {
		this.hDone = false;
		this.resizeH('lbOuterContainer', this.hCur, imgHeight + this.borderSize*2, this.getPixelRate(this.hCur, imgHeight));
	} else {
		this.hDone = true;
	}
	if (!(wDiff == 0)) {
		this.wDone = false;
		this.resizeW('lbOuterContainer', this.wCur, imgWidth + this.borderSize*2, this.getPixelRate(this.wCur, imgWidth));
	} else {
		this.wDone = true;
	}
	if ((hDiff == 0) && (wDiff == 0)) {
		if (this.ie){ this.pause(250); } else { this.pause(100); } 
	}
	this.doc.getElementById('lbPrev').style.height = imgHeight + "px";
	this.doc.getElementById('lbNext').style.height = imgHeight + "px";
	this.doc.getElementById('lbDetailsContainer').style.width = (imgWidth + (this.borderSize * 2) + (this.ie && this.doc.compatMode == "BackCompat" && this.outerBorder ? 2 : 0)) + "px";
	this.showContent();
};
LyteBox.prototype.showContent = function() {
	if (this.wDone && this.hDone) {
		for (var i = 0; i < this.showContentTimerCount; i++) { window.clearTimeout(this.showContentTimerArray[i]); }
		if (this.outerBorder) {
			this.doc.getElementById('lbOuterContainer').style.borderBottom = 'none';
		}
		this.doc.getElementById('lbLoading').style.display = 'none';
		if (this.isLyteframe) {
			this.doc.getElementById('lbIframe').style.display = '';
			this.appear('lbIframe', (this.doAnimations ? 0 : 100));
		} else {
			this.doc.getElementById('lbImage').style.display = '';
			this.appear('lbImage', (this.doAnimations ? 0 : 100));
			this.preloadNeighborImages();
		}
		if (this.isSlideshow) {
			if(this.activeSlide == (this.slideArray.length - 1)) {
				if (this.autoEnd) {
					this.slideshowIDArray[this.slideshowIDCount++] = setTimeout("myLytebox.end('slideshow')", this.slideInterval);
				}
			} else {
				if (!this.isPaused) {
					this.slideshowIDArray[this.slideshowIDCount++] = setTimeout("myLytebox.changeContent("+(this.activeSlide+1)+")", this.slideInterval);
				}
			}
			this.doc.getElementById('lbHoverNav').style.display = (this.showNavigation && this.navType == 1 ? '' : 'none');
			this.doc.getElementById('lbClose').style.display = (this.showClose ? '' : 'none');
			this.doc.getElementById('lbDetails').style.display = (this.showDetails ? '' : 'none');
			this.doc.getElementById('lbPause').style.display = (this.showPlayPause && !this.isPaused ? '' : 'none');
			this.doc.getElementById('lbPlay').style.display = (this.showPlayPause && !this.isPaused ? 'none' : '');
			this.doc.getElementById('lbNavDisplay').style.display = (this.showNavigation && this.navType == 2 ? '' : 'none');
		} else {
			this.doc.getElementById('lbHoverNav').style.display = (this.navType == 1 && !this.isLyteframe ? '' : 'none');
			if ((this.navType == 2 && !this.isLyteframe && this.imageArray.length > 1) || (this.frameArray.length > 1 && this.isLyteframe)) {
				this.doc.getElementById('lbNavDisplay').style.display = '';
			} else {
				this.doc.getElementById('lbNavDisplay').style.display = 'none';
			}
			this.doc.getElementById('lbClose').style.display = '';
			this.doc.getElementById('lbDetails').style.display = '';
			this.doc.getElementById('lbPause').style.display = 'none';
			this.doc.getElementById('lbPlay').style.display = 'none';
		}
		this.doc.getElementById('lbImageContainer').style.display = (this.isLyteframe ? 'none' : '');
		this.doc.getElementById('lbIframeContainer').style.display = (this.isLyteframe ? '' : 'none');
		try {
			this.doc.getElementById('lbIframe').src = this.frameArray[this.activeFrame][0];
		} catch(e) { }
	} else {
		this.showContentTimerArray[this.showContentTimerCount++] = setTimeout("myLytebox.showContent()", 200);
	}
};
LyteBox.prototype.updateDetails = function() {
	var object = this.doc.getElementById('lbCaption');
	var sTitle = (this.isSlideshow ? this.slideArray[this.activeSlide][1] : (this.isLyteframe ? this.frameArray[this.activeFrame][1] : this.imageArray[this.activeImage][1]));
	object.style.display = '';
	object.innerHTML = (sTitle == null ? '' : sTitle);
	this.updateNav();
	this.doc.getElementById('lbDetailsContainer').style.display = '';
	object = this.doc.getElementById('lbNumberDisplay');
	if (this.isSlideshow && this.slideArray.length > 1) {
		object.style.display = '';
		object.innerHTML = "Image " + eval(this.activeSlide + 1) + " of " + this.slideArray.length;
		this.doc.getElementById('lbNavDisplay').style.display = (this.navType == 2 && this.showNavigation ? '' : 'none');
	} else if (this.imageArray.length > 1 && !this.isLyteframe) {
		object.style.display = '';
		object.innerHTML = "Image " + eval(this.activeImage + 1) + " of " + this.imageArray.length;
		this.doc.getElementById('lbNavDisplay').style.display = (this.navType == 2 ? '' : 'none');
	} else if (this.frameArray.length > 1 && this.isLyteframe) {
		object.style.display = '';
		object.innerHTML = "Page " + eval(this.activeFrame + 1) + " of " + this.frameArray.length;
		this.doc.getElementById('lbNavDisplay').style.display = '';
	} else {
		this.doc.getElementById('lbNavDisplay').style.display = 'none';
	}
	this.appear('lbDetailsContainer', (this.doAnimations ? 0 : 100));
};
LyteBox.prototype.updateNav = function() {
	if (this.isSlideshow) {
		if (this.activeSlide != 0) {
			var object = (this.navType == 2 ? this.doc.getElementById('lbPrev2') : this.doc.getElementById('lbPrev'));
				object.style.display = '';
				object.onclick = function() {
					if (myLytebox.pauseOnPrevClick) { myLytebox.togglePlayPause("lbPause", "lbPlay"); }
					myLytebox.changeContent(myLytebox.activeSlide - 1); return false;
				}
		} else {
			if (this.navType == 2) { this.doc.getElementById('lbPrev2_Off').style.display = ''; }
		}
		if (this.activeSlide != (this.slideArray.length - 1)) {
			var object = (this.navType == 2 ? this.doc.getElementById('lbNext2') : this.doc.getElementById('lbNext'));
				object.style.display = '';
				object.onclick = function() {
					if (myLytebox.pauseOnNextClick) { myLytebox.togglePlayPause("lbPause", "lbPlay"); }
					myLytebox.changeContent(myLytebox.activeSlide + 1); return false;
				}
		} else {
			if (this.navType == 2) { this.doc.getElementById('lbNext2_Off').style.display = ''; }
		}
	} else if (this.isLyteframe) {
		if(this.activeFrame != 0) {
			var object = this.doc.getElementById('lbPrev2');
				object.style.display = '';
				object.onclick = function() {
					myLytebox.changeContent(myLytebox.activeFrame - 1); return false;
				}
		} else {
			this.doc.getElementById('lbPrev2_Off').style.display = '';
		}
		if(this.activeFrame != (this.frameArray.length - 1)) {
			var object = this.doc.getElementById('lbNext2');
				object.style.display = '';
				object.onclick = function() {
					myLytebox.changeContent(myLytebox.activeFrame + 1); return false;
				}
		} else {
			this.doc.getElementById('lbNext2_Off').style.display = '';
		}		
	} else {
		if(this.activeImage != 0) {
			var object = (this.navType == 2 ? this.doc.getElementById('lbPrev2') : this.doc.getElementById('lbPrev'));
				object.style.display = '';
				object.onclick = function() {
					myLytebox.changeContent(myLytebox.activeImage - 1); return false;
				}
		} else {
			if (this.navType == 2) { this.doc.getElementById('lbPrev2_Off').style.display = ''; }
		}
		if(this.activeImage != (this.imageArray.length - 1)) {
			var object = (this.navType == 2 ? this.doc.getElementById('lbNext2') : this.doc.getElementById('lbNext'));
				object.style.display = '';
				object.onclick = function() {
					myLytebox.changeContent(myLytebox.activeImage + 1); return false;
				}
		} else {
			if (this.navType == 2) { this.doc.getElementById('lbNext2_Off').style.display = ''; }
		}
	}
	this.enableKeyboardNav();
};
LyteBox.prototype.enableKeyboardNav = function() { document.onkeydown = this.keyboardAction; };
LyteBox.prototype.disableKeyboardNav = function() { document.onkeydown = ''; };
LyteBox.prototype.keyboardAction = function(e) {
	var keycode = key = escape = null;
	keycode	= (e == null) ? event.keyCode : e.which;
	key		= String.fromCharCode(keycode).toLowerCase();
	escape  = (e == null) ? 27 : e.DOM_VK_ESCAPE;
	if ((key == 'x') || (key == 'c') || (keycode == escape)) {
		myLytebox.end();
	} else if ((key == 'p') || (keycode == 37)) {
		if (myLytebox.isSlideshow) {
			if(myLytebox.activeSlide != 0) {
				myLytebox.disableKeyboardNav();
				myLytebox.changeContent(myLytebox.activeSlide - 1);
			}
		} else if (myLytebox.isLyteframe) {
			if(myLytebox.activeFrame != 0) {
				myLytebox.disableKeyboardNav();
				myLytebox.changeContent(myLytebox.activeFrame - 1);
			}
		} else {
			if(myLytebox.activeImage != 0) {
				myLytebox.disableKeyboardNav();
				myLytebox.changeContent(myLytebox.activeImage - 1);
			}
		}
	} else if ((key == 'n') || (keycode == 39)) {
		if (myLytebox.isSlideshow) {
			if(myLytebox.activeSlide != (myLytebox.slideArray.length - 1)) {
				myLytebox.disableKeyboardNav();
				myLytebox.changeContent(myLytebox.activeSlide + 1);
			}
		} else if (myLytebox.isLyteframe) {
			if(myLytebox.activeFrame != (myLytebox.frameArray.length - 1)) {
				myLytebox.disableKeyboardNav();
				myLytebox.changeContent(myLytebox.activeFrame + 1);
			}
		} else {
			if(myLytebox.activeImage != (myLytebox.imageArray.length - 1)) {
				myLytebox.disableKeyboardNav();
				myLytebox.changeContent(myLytebox.activeImage + 1);
			}
		}
	}
};
LyteBox.prototype.preloadNeighborImages = function() {
	if (this.isSlideshow) {
		if ((this.slideArray.length - 1) > this.activeSlide) {
			preloadNextImage = new Image();
			preloadNextImage.src = this.slideArray[this.activeSlide + 1][0];
		}
		if(this.activeSlide > 0) {
			preloadPrevImage = new Image();
			preloadPrevImage.src = this.slideArray[this.activeSlide - 1][0];
		}
	} else {
		if ((this.imageArray.length - 1) > this.activeImage) {
			preloadNextImage = new Image();
			preloadNextImage.src = this.imageArray[this.activeImage + 1][0];
		}
		if(this.activeImage > 0) {
			preloadPrevImage = new Image();
			preloadPrevImage.src = this.imageArray[this.activeImage - 1][0];
		}
	}
};
LyteBox.prototype.togglePlayPause = function(hideID, showID) {
	if (this.isSlideshow && hideID == "lbPause") {
		for (var i = 0; i < this.slideshowIDCount; i++) { window.clearTimeout(this.slideshowIDArray[i]); }
	}
	this.doc.getElementById(hideID).style.display = 'none';
	this.doc.getElementById(showID).style.display = '';
	if (hideID == "lbPlay") {
		this.isPaused = false;
		if (this.activeSlide == (this.slideArray.length - 1)) {
			this.end();
		} else {
			this.changeContent(this.activeSlide + 1);
		}
	} else {
		this.isPaused = true;
	}
};
LyteBox.prototype.end = function(caller) {
	var closeClick = (caller == 'slideshow' ? false : true);
	if (this.isSlideshow && this.isPaused && !closeClick) { return; }
	this.disableKeyboardNav();
	this.doc.getElementById('lbMain').style.display = 'none';
	this.fade('lbOverlay', (this.doAnimations ? this.maxOpacity : 0));
	this.toggleSelects('visible');
	if (this.hideFlash) { this.toggleFlash('visible'); }
	if (this.isSlideshow) {
		for (var i = 0; i < this.slideshowIDCount; i++) { window.clearTimeout(this.slideshowIDArray[i]); }
	}
	if (this.isLyteframe) {
		 this.initialize();
	}
};
LyteBox.prototype.checkFrame = function() {
	if (window.parent.frames[window.name] && (parent.document.getElementsByTagName('frameset').length <= 0)) {
		this.isFrame = true;
		this.lytebox = "window.parent." + window.name + ".myLytebox";
		this.doc = parent.document;
	} else {
		this.isFrame = false;
		this.lytebox = "myLytebox";
		this.doc = document;
	}
};
LyteBox.prototype.getPixelRate = function(cur, img) {
	var diff = (img > cur) ? img - cur : cur - img;
	if (diff >= 0 && diff <= 100) { return 10; }
	if (diff > 100 && diff <= 200) { return 15; }
	if (diff > 200 && diff <= 300) { return 20; }
	if (diff > 300 && diff <= 400) { return 25; }
	if (diff > 400 && diff <= 500) { return 30; }
	if (diff > 500 && diff <= 600) { return 35; }
	if (diff > 600 && diff <= 700) { return 40; }
	if (diff > 700) { return 45; }
};
LyteBox.prototype.appear = function(id, opacity) {
	var object = this.doc.getElementById(id).style;
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + (opacity + 10) + ")";
	if (opacity == 100 && (id == 'lbImage' || id == 'lbIframe')) {
		try { object.removeAttribute("filter"); } catch(e) {}	/* Fix added for IE Alpha Opacity Filter bug. */
		this.updateDetails();
	} else if (opacity >= this.maxOpacity && id == 'lbOverlay') {
		for (var i = 0; i < this.overlayTimerCount; i++) { window.clearTimeout(this.overlayTimerArray[i]); }
		return;
	} else if (opacity >= 100 && id == 'lbDetailsContainer') {
		try { object.removeAttribute("filter"); } catch(e) {}	/* Fix added for IE Alpha Opacity Filter bug. */
		for (var i = 0; i < this.imageTimerCount; i++) { window.clearTimeout(this.imageTimerArray[i]); }
		this.doc.getElementById('lbOverlay').style.height = this.getPageSize()[1] + "px";
	} else {
		if (id == 'lbOverlay') {
			this.overlayTimerArray[this.overlayTimerCount++] = setTimeout("myLytebox.appear('" + id + "', " + (opacity+20) + ")", 1);
		} else {
			this.imageTimerArray[this.imageTimerCount++] = setTimeout("myLytebox.appear('" + id + "', " + (opacity+10) + ")", 1);
		}
	}
};
LyteBox.prototype.fade = function(id, opacity) {
	var object = this.doc.getElementById(id).style;
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
	if (opacity <= 0) {
		try {
			object.display = 'none';
		} catch(err) { }
	} else if (id == 'lbOverlay') {
		this.overlayTimerArray[this.overlayTimerCount++] = setTimeout("myLytebox.fade('" + id + "', " + (opacity-20) + ")", 1);
	} else {
		this.timerIDArray[this.timerIDCount++] = setTimeout("myLytebox.fade('" + id + "', " + (opacity-10) + ")", 1);
	}
};
LyteBox.prototype.resizeW = function(id, curW, maxW, pixelrate, speed) {
	if (!this.hDone) {
		this.resizeWTimerArray[this.resizeWTimerCount++] = setTimeout("myLytebox.resizeW('" + id + "', " + curW + ", " + maxW + ", " + pixelrate + ")", 100);
		return;
	}
	var object = this.doc.getElementById(id);
	var timer = speed ? speed : (this.resizeDuration/2);
	var newW = (this.doAnimations ? curW : maxW);
	object.style.width = (newW) + "px";
	if (newW < maxW) {
		newW += (newW + pixelrate >= maxW) ? (maxW - newW) : pixelrate;
	} else if (newW > maxW) {
		newW -= (newW - pixelrate <= maxW) ? (newW - maxW) : pixelrate;
	}
	this.resizeWTimerArray[this.resizeWTimerCount++] = setTimeout("myLytebox.resizeW('" + id + "', " + newW + ", " + maxW + ", " + pixelrate + ", " + (timer+0.02) + ")", timer+0.02);
	if (parseInt(object.style.width) == maxW) {
		this.wDone = true;
		for (var i = 0; i < this.resizeWTimerCount; i++) { window.clearTimeout(this.resizeWTimerArray[i]); }
	}
};
LyteBox.prototype.resizeH = function(id, curH, maxH, pixelrate, speed) {
	var timer = speed ? speed : (this.resizeDuration/2);
	var object = this.doc.getElementById(id);
	var newH = (this.doAnimations ? curH : maxH);
	object.style.height = (newH) + "px";
	if (newH < maxH) {
		newH += (newH + pixelrate >= maxH) ? (maxH - newH) : pixelrate;
	} else if (newH > maxH) {
		newH -= (newH - pixelrate <= maxH) ? (newH - maxH) : pixelrate;
	}
	this.resizeHTimerArray[this.resizeHTimerCount++] = setTimeout("myLytebox.resizeH('" + id + "', " + newH + ", " + maxH + ", " + pixelrate + ", " + (timer+.02) + ")", timer+.02);
	if (parseInt(object.style.height) == maxH) {
		this.hDone = true;
		for (var i = 0; i < this.resizeHTimerCount; i++) { window.clearTimeout(this.resizeHTimerArray[i]); }
	}
};
LyteBox.prototype.getPageScroll = function() {
	if (self.pageYOffset) {
		return this.isFrame ? parent.pageYOffset : self.pageYOffset;
	} else if (this.doc.documentElement && this.doc.documentElement.scrollTop){
		return this.doc.documentElement.scrollTop;
	} else if (document.body) {
		return this.doc.body.scrollTop;
	}
};
LyteBox.prototype.getPageSize = function() {	
	var xScroll, yScroll, windowWidth, windowHeight;
	if (window.innerHeight && window.scrollMaxY) {
		xScroll = this.doc.scrollWidth;
		yScroll = (this.isFrame ? parent.innerHeight : self.innerHeight) + (this.isFrame ? parent.scrollMaxY : self.scrollMaxY);
	} else if (this.doc.body.scrollHeight > this.doc.body.offsetHeight){
		xScroll = this.doc.body.scrollWidth;
		yScroll = this.doc.body.scrollHeight;
	} else {
		xScroll = this.doc.getElementsByTagName("html").item(0).offsetWidth;
		yScroll = this.doc.getElementsByTagName("html").item(0).offsetHeight;
		xScroll = (xScroll < this.doc.body.offsetWidth) ? this.doc.body.offsetWidth : xScroll;
		yScroll = (yScroll < this.doc.body.offsetHeight) ? this.doc.body.offsetHeight : yScroll;
	}
	if (self.innerHeight) {
		windowWidth = (this.isFrame) ? parent.innerWidth : self.innerWidth;
		windowHeight = (this.isFrame) ? parent.innerHeight : self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) {
		windowWidth = this.doc.documentElement.clientWidth;
		windowHeight = this.doc.documentElement.clientHeight;
	} else if (document.body) {
		windowWidth = this.doc.getElementsByTagName("html").item(0).clientWidth;
		windowHeight = this.doc.getElementsByTagName("html").item(0).clientHeight;
		windowWidth = (windowWidth == 0) ? this.doc.body.clientWidth : windowWidth;
		windowHeight = (windowHeight == 0) ? this.doc.body.clientHeight : windowHeight;
	}
	var pageHeight = (yScroll < windowHeight) ? windowHeight : yScroll;
	var pageWidth = (xScroll < windowWidth) ? windowWidth : xScroll;
	return new Array(pageWidth, pageHeight, windowWidth, windowHeight);
};
LyteBox.prototype.toggleFlash = function(state) {
	var objects = this.doc.getElementsByTagName("object");
	for (var i = 0; i < objects.length; i++) {
		objects[i].style.visibility = (state == "hide") ? 'hidden' : 'visible';
	}
	var embeds = this.doc.getElementsByTagName("embed");
	for (var i = 0; i < embeds.length; i++) {
		embeds[i].style.visibility = (state == "hide") ? 'hidden' : 'visible';
	}
	if (this.isFrame) {
		for (var i = 0; i < parent.frames.length; i++) {
			try {
				objects = parent.frames[i].window.document.getElementsByTagName("object");
				for (var j = 0; j < objects.length; j++) {
					objects[j].style.visibility = (state == "hide") ? 'hidden' : 'visible';
				}
			} catch(e) { }
			try {
				embeds = parent.frames[i].window.document.getElementsByTagName("embed");
				for (var j = 0; j < embeds.length; j++) {
					embeds[j].style.visibility = (state == "hide") ? 'hidden' : 'visible';
				}
			} catch(e) { }
		}
	}
};
LyteBox.prototype.toggleSelects = function(state) {
	var selects = this.doc.getElementsByTagName("select");
	for (var i = 0; i < selects.length; i++ ) {
		selects[i].style.visibility = (state == "hide") ? 'hidden' : 'visible';
	}
	if (this.isFrame) {
		for (var i = 0; i < parent.frames.length; i++) {
			try {
				selects = parent.frames[i].window.document.getElementsByTagName("select");
				for (var j = 0; j < selects.length; j++) {
					selects[j].style.visibility = (state == "hide") ? 'hidden' : 'visible';
				}
			} catch(e) { }
		}
	}
};
LyteBox.prototype.pause = function(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime) { return; }
	}
};
if (window.addEventListener) {
	window.addEventListener("load",initLytebox,false);
} else if (window.attachEvent) {
	window.attachEvent("onload",initLytebox);
} else {
	window.onload = function() {initLytebox();}
}
function initLytebox() { myLytebox = new LyteBox(); }