/*  Prototype JavaScript framework, version 1.5.0_rc0
 *  (c) 2005 Sam Stephenson <sam@conio.net>
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://prototype.conio.net/
 *
/*--------------------------------------------------------------------------*/
//note: stripped down version of prototype, to be used with lightbox.
var Prototype = {
  Version: '1.5.0_rc0',
  ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
  emptyFunction: function() {},
  K: function(x) {return x}
}
var Class = {
  create: function() {
    return function() {
      this.initialize.apply(this, arguments);
    }
  }
}
var Abstract = new Object();
Object.extend = function(destination, source) {
 for (var property in source) destination[property] = source[property];
 return destination;
};
Function.prototype.bind = function(object) {
 var __method = this;
 return function() {
  return __method.apply(object, arguments);
 }
};
Function.prototype.bindAsEventListener = function(object) {
  var __method = this;
  return function(event) {
    return __method.call(object, event || window.event);
  }
}
if (!Array.prototype.forEach){
 Array.prototype.forEach = function(fn, bind){
  for(var i = 0; i < this.length ; i++) fn.call(bind, this[i], i);
 };
}
Array.prototype.each = Array.prototype.forEach;
String.prototype.camelize = function(){
 return this.replace(/-\D/gi, function(match){
  return match.charAt(match.length - 1).toUpperCase();
 });
};
var $A = function(iterable) {
 var nArray = [];
 for (var i = 0; i < iterable.length; i++) nArray.push(iterable[i]);
 return nArray;
};
function $() {
 if (arguments.length == 1) return get$(arguments[0]);
 var elements = [];
 $c(arguments).each(function(el){
  elements.push(get$(el));
 });
 return elements;
 function get$(el){
  if (typeof el == 'string') el = document.getElementById(el);
  return el;
 }
};
if (!window.Element) var Element = {};
Object.extend(Element, {
 remove: function(element) {
  element = $(element);
  element.parentNode.removeChild(element);
 },
 hasClassName: function(element, className) {
    return (element.className.indexOf(className) > -1);
 }
});
Object.extend(String.prototype, {
  strip: function() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  },
  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) });
  }
});
document.getElementsByClassName = function(className){
 var elements = [];
 var all = document.getElementsByTagName('*');
 $A(all).each(function(el){
  if (Element.hasClassName(el, className)) elements.push(el);
 });
 return elements;
};
var Enumerable = {
  each: function(iterator) {
    var index = 0;
    try {
      this._each(function(value) {
        try {
          iterator(value, index++);
        } catch (e) {
          if (e != $continue) throw e;
        }
      });
    } catch (e) {
      if (e != $break) throw e;
    }
  },
  collect: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      results.push(iterator(value, index));
    });
    return results;
  }
}
Object.extend(Enumerable, {
  map:     Enumerable.collect
});
Object.extend(Array.prototype, Enumerable);
Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0; i < this.length; i++)
      iterator(this[i]);
  }
});
/*--------------------------------------------------------------------------*/
var Form = {
  serialize: function(form) {
    var elements = Form.getElements($(form));
    var queryComponents = new Array();
    for (var i = 0; i < elements.length; i++) {
      var queryComponent = Form.Element.serialize(elements[i]);
      if (queryComponent) queryComponents.push(queryComponent);
    }
    return queryComponents.join('&');
  },
  getElements: function(form) {
    form = $(form);
    var elements = new Array();
    for (var tagName in Form.Element.Serializers) {
      var tagElements = form.getElementsByTagName(tagName);
      for (var j = 0; j < tagElements.length; j++)
        elements.push(tagElements[j]);
    }
    return elements;
  }
}
Form.Element = {
  serialize: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    var parameter = Form.Element.Serializers[method](element);
    if (parameter) {
      var key = encodeURIComponent(parameter[0]);
   if (key.length == 0) return;
      if (parameter[1].constructor != Array)
  parameter[1] = [parameter[1]];
      return parameter[1].map(function(value) {
        return key + '=' + encodeURIComponent(value);
      }).join('&');
    }
  }
}
Form.Element.Serializers = {
  input: function(element) {
    switch (element.type.toLowerCase()) {
      case 'submit':
      case 'hidden':
      case 'password':
      case 'text':
        return Form.Element.Serializers.textarea(element);
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element);
    }
    return false;
  },
  inputSelector: function(element) {
    if (element.checked)
      return [element.name, element.value];
  },
  textarea: function(element) {
    return [element.name, element.value];
  },
  select: function(element) {
    return Form.Element.Serializers[element.type == 'select-one' ?
      'selectOne' : 'selectMany'](element);
  },
  selectOne: function(element) {
    var value = '', opt, index = element.selectedIndex;
    if (index >= 0) {
      opt = element.options[index];
      value = opt.value || opt.text;
    }
    return [element.name, value];
  },
  selectMany: function(element) {
    var value = [];
    for (var i = 0; i < element.length; i++) {
      var opt = element.options[i];
      if (opt.selected)
        value.push(opt.value || opt.text);
    }
    return [element.name, value];
  }
}
/*--------------------------------------------------------------------------*/
if (!window.Event) {
  var Event = new Object();
}
Object.extend(Event, {
  element: function(event) {
    return event.target || event.srcElement;
  },
  isLeftClick: function(event) {
    return (((event.which) && (event.which == 1)) ||
            ((event.button) && (event.button == 1)));
  },
  pointerX: function(event) {
    return event.pageX || (event.clientX +
      (document.documentElement.scrollLeft || document.body.scrollLeft));
  },
  pointerY: function(event) {
    return event.pageY || (event.clientY +
      (document.documentElement.scrollTop || document.body.scrollTop));
  },
  stop: function(event) {
    if (event.preventDefault) {
      event.preventDefault();
      event.stopPropagation();
    } else {
      event.returnValue = false;
      event.cancelBubble = true;
    }
  },
  findElement: function(event, tagName) {
    var element = Event.element(event);
    while (element.parentNode && (!element.tagName ||
        (element.tagName.toUpperCase() != tagName.toUpperCase())))
      element = element.parentNode;
    return element;
  },
  observers: false,
  _observeAndCache: function(element, name, observer, useCapture) {
    if (!this.observers) this.observers = [];
    if (element.addEventListener) {
      this.observers.push([element, name, observer, useCapture]);
      element.addEventListener(name, observer, useCapture);
    } else if (element.attachEvent) {
      this.observers.push([element, name, observer, useCapture]);
      element.attachEvent('on' + name, observer);
    }
  },
  unloadCache: function() {
    if (!Event.observers) return;
    for (var i = 0; i < Event.observers.length; i++) {
      Event.stopObserving.apply(this, Event.observers[i]);
      Event.observers[i][0] = null;
    }
    Event.observers = false;
  },
  observe: function(element, name, observer, useCapture) {
    var element = $(element);
    useCapture = useCapture || false;
    this._observeAndCache(element, name, observer, useCapture);
  },
  stopObserving: function(element, name, observer, useCapture) {
    var element = $(element);
    useCapture = useCapture || false;
    if (element.removeEventListener) {
      element.removeEventListener(name, observer, useCapture);
    } else if (element.detachEvent) {
      element.detachEvent('on' + name, observer);
    }
  }
});
if (navigator.appVersion.match(/\bMSIE\b/))
  Event.observe(window, 'unload', Event.unloadCache, false);
/*--------------------------------------------------------------------------*/
Abstract.Insertion = function(adjacency) {
  this.adjacency = adjacency;
}
Abstract.Insertion.prototype = {
  initialize: function(element, content) {
    this.element = $(element);
    this.content = content.stripScripts();
    if (this.adjacency && this.element.insertAdjacentHTML) {
      try {
        this.element.insertAdjacentHTML(this.adjacency, this.content);
      } catch (e) {
          throw e;
      }
    } else {
      this.range = this.element.ownerDocument.createRange();
      if (this.initializeRange) this.initializeRange();
      this.insertContent([this.range.createContextualFragment(this.content)]);
    }
  }
}
var Insertion = new Object();
Insertion.Before = Class.create();
Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
  initializeRange: function() {
    this.range.setStartBefore(this.element);
  },
  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.parentNode.insertBefore(fragment, this.element);
    }).bind(this));
  }
});