//Included scripts
//moo.js / function.js / array.js / string.js / elements.js / fx.js / dom.js / fxpack.js / tips.js / ajax.js


//mootools.js: moo javascript tools
//by Valerio Proietti (http://mad4milk.net) MIT-style license.

// CREDITS:

//Class is slightly based on Base.js : http://dean.edwards.name/weblog/2006/03/base/
//(c) 2006 Dean Edwards, License: http://creativecommons.org/licenses/LGPL/2.1/

//Some functions are based on those found in prototype.js : http://prototype.conio.net/
//(c) 2005 Sam Stephenson <sam@conio.net>, MIT-style license


//moo.js : My Object Oriented javascript - has no dependancies

var Class = function(properties){
var klass = function(){
for (p in this) this[p]._proto_ = this;
if (arguments[0] != 'noinit' && this.initialize) return this.initialize.apply(this, arguments);
};
klass.extend = this.extend;
klass.implement = this.implement;
klass.prototype = properties;
return klass;
};

Class.empty = function(){};

Class.create = function(properties){
return new Class(properties);
};

Class.prototype = {
extend: function(properties){
var prototype = new this('noinit');
for (property in properties){
var previous = prototype[property];
var current = properties[property];
if (previous && previous != current) current = previous.parentize(current) || current;
prototype[property] = current;
}
return new Class(prototype);
},

implement: function(properties){
for (property in properties) this.prototype[property] = properties[property];
}
}

Object.extend = function(){
var args = arguments;
if (args[1]) args = [args[0], args[1]];
else args = [this, args[0]];
for (property in args[1]) args[0][property] = args[1][property];
return args[0];
};

Object.Native = function(){
for (var i = 0; i < arguments.length; i++) arguments[i].extend = Class.prototype.implement;
};

new Object.Native(Function, Array, String);

Function.extend({
parentize: function(current){
var previous = this;
return function(){
this.parent = previous;
return current.apply(this, arguments);
};
}
});



Function.extend({

pass: function(args, bind){
var fn = this;
if ($type(args) != 'array') args = [args];
return function(){
fn.apply(bind || fn._proto_ || fn, args);
};
},

bind: function(bind){
var fn = this;
return function(){
return fn.apply(bind, arguments);
};
},

bindAsEventListener: function(bind){
var fn = this;
return function(event){
fn.call(bind, event || window.event);
return false;
};
},

delay: function(ms, bind){
return setTimeout(this.bind(bind || this._proto_ || this), ms);
},

periodical: function(ms, bind){
return setInterval(this.bind(bind || this._proto_ || this), ms);
}

});

function $clear(timer){
clearTimeout(timer);
clearInterval(timer);
return null;
};

function $type(obj, types){
if (!obj) return false;
var type = false;
if (obj instanceof Function) type = 'function';
else if (obj.nodeName){
if (obj.nodeType == 3 && !/\S/.test(obj.nodeValue)) type = 'textnode';
else if (obj.nodeType == 1) type = 'element';
}
else if (obj instanceof Array) type = 'array';
else if (typeof obj == 'object') type = 'object';
else if (typeof obj == 'string') type = 'string';
else if (typeof obj == 'number' && isFinite(obj)) type = 'number';
return type;
};

function $check(obj, objTrue, objFalse){
if (obj) {
if (objTrue && $type(objTrue) == 'function') return objTrue();
else return objTrue || obj;
} else {
if (objFalse && $type(objFalse) == 'function') return objFalse();
return objFalse || false;
}
};

var Chain = new Class({

chain: function(fn){
this.chains = this.chains || [];
this.chains.push(fn);
return this;
},

callChain: function(){
if (this.chains && this.chains.length) this.chains.splice(0, 1)[0].delay(10, this);
}

});



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.extend({

each: Array.prototype.forEach,

copy: function(){
var nArray = [];
for (var i = 0; i < this.length; i++) nArray.push(this[i]);
return nArray;
},

remove: function(item){
for (var i = 0; i < this.length; i++){
if (this[i] == item) this.splice(i, 1);
}
return this;
},

test: function(item){
for (var i = 0; i < this.length; i++){
if (this[i] == item) return true;
};
return false;
},

extend: function(nArray){
for (var i = 0; i < nArray.length; i++) this.push(nArray[i]);
return this;
}

});

function $A(array){
return Array.prototype.copy.call(array);
};



String.extend({

test: function(value, params){
return this.match(new RegExp(value, params));
},

camelCase: function(){
return this.replace(/-\D/gi, function(match){
return match.charAt(match.length - 1).toUpperCase();
});
},

capitalize: function(){
return this.toLowerCase().replace(/\b[a-z]/g, function(match){
return match.toUpperCase();
});
},

trim: function(){
return this.replace(/^\s*|\s*$/g,'');
},

clean: function(){
return this.replace(/\s\s/g, ' ').trim();
},

rgbToHex: function(array){
var rgb = this.test('^[rgba]{3,4}\\(([\\d]{0,3}),[\\s]*([\\d]{0,3}),[\\s]*([\\d]{0,3})\\)$');
var hex = [];
for (var i = 1; i < rgb.length; i++) hex.push((rgb[i]-0).toString(16));
var hexText = '#'+hex.join('');
if (array) return hex;
else return hexText;
},

hexToRgb: function(array){
var hex = this.test('^[#]{0,1}([\\w]{1,2})([\\w]{1,2})([\\w]{1,2})$');
var rgb = [];
for (var i = 1; i < hex.length; i++){
if (hex[i].length == 1) hex[i] += hex[i];
rgb.push(parseInt(hex[i], 16));
}
var rgbText = 'rgb('+rgb.join(',')+')';
if (array) return rgb;
else return rgbText;
}

});



var Element = new Class({



initialize: function(el){
if ($type(el) == 'string') el = document.createElement(el);
return $(el);
},



inject: function(el, where){
var el = $check($(el), $(el), new Element(el));
switch(where){
case "before": $(el.parentNode).insertBefore(this, el); break;
case "after": {
if (!el.getNext()) $(el.parentNode).appendChild(this);
else $(el.parentNode).insertBefore(this, el.getNext());
} break;
case "inside": el.appendChild(this); break;
}
return this;
},

injectBefore: function(el){
return this.inject(el, 'before');
},

injectAfter: function(el){
return this.inject(el, 'after');
},

injectInside: function(el){
return this.inject(el, 'inside');
},

adopt: function(el){
var el = $check($(el), $(el), new Element(el));
this.appendChild(el);
return this;
},



remove: function(){
this.parentNode.removeChild(this);
},

clone: function(){
return $(this.cloneNode(true));
},

replaceWith: function(el){
var el = $check($(el), $(el), new Element(el));
this.parentNode.replaceChild(el, this);
return el;
},

appendText: function(text){
if (this.getTag() == 'style' && window.ActiveXObject) this.styleSheet.cssText = text;
else this.appendChild(document.createTextNode(text));
return this;
},



hasClassName: function(className){
return $check(this.className.test("\\b"+className+"\\b"), true);
},

addClassName: function(className){
if (!this.hasClassName(className)) this.className = (this.className+' '+className.trim()).clean();
return this;
},

removeClassName: function(className){
if (this.hasClassName(className)) this.className = this.className.replace(className.trim(), '').clean();
return this;
},

toggleClassName: function(className){
if (this.hasClassName(className)) return this.removeClassName(className);
else return this.addClassName(className);
},



setStyle: function(property, value){
if (property == 'opacity') this.setOpacity(value);
else this.style[property.camelCase()] = value;
return this;
},

setStyles: function(source){
if ($type(source) == 'object') {
for (property in source) this.setStyle(property, source[property]);
} else if ($type(source) == 'string') this.setAttribute('style', source);
return this;
},

setOpacity: function(opacity){
if (opacity == 0 && this.style.visibility != "hidden") this.style.visibility = "hidden";
else if (this.style.visibility != "visible") this.style.visibility = "visible";
if (window.ActiveXObject) this.style.filter = "alpha(opacity=" + opacity*100 + ")";
this.style.opacity = opacity;
return this;
},

getStyle: function(property, num){
var proPerty = property.camelCase();
var style = $check(this.style[proPerty]);
if (!style) {
if (document.defaultView) style = document.defaultView.getComputedStyle(this,null).getPropertyValue(property);
else if (this.currentStyle) style = this.currentStyle[proPerty];
}
if (style && ['color', 'backgroundColor', 'borderColor'].test(proPerty) && style.test('rgb')) style = style.rgbToHex();
if (['auto', 'transparent'].test(style)) style = 0;
if (num) return parseInt(style);
else return style;
},

removeStyles: function(){
$A(arguments).each(function(property){
this.style[property.camelCase()] = '';
}, this);
return this;
},



addEvent: function(action, fn){
this[action+fn] = fn.bind(this);
if (this.addEventListener) this.addEventListener(action, fn, false);
else this.attachEvent('on'+action, this[action+fn]);
var el = this;
if (this != window) Unload.functions.push(function(){
el.removeEvent(action, fn);
el[action+fn] = null;
});
return this;
},

removeEvent: function(action, fn){
if (this.removeEventListener) this.removeEventListener(action, fn, false);
else this.detachEvent('on'+action, this[action+fn]);
return this;
},



getBrother: function(what){
var el = this[what+'Sibling'];
while ($type(el) == 'textnode') el = el[what+'Sibling'];
return $(el);
},

getPrevious: function(){
return this.getBrother('previous');
},

getNext: function(){
return this.getBrother('next');
},

getFirst: function(){
var el = this.firstChild;
while ($type(el) == 'textnode') el = el.nextSibling;
return $(el);
},



setProperty: function(property, value){
var el = false;
switch(property){
case 'class': this.className = value; break;
case 'style': this.setStyles(value); break;
case 'name': if (window.ActiveXObject && this.getTag() == 'input'){
el = $(document.createElement('<input name="'+value+'" />'));
$A(this.attributes).each(function(attribute){
if (attribute.name != 'name') el.setProperty(attribute.name, attribute.value);

});
if (this.parentNode) this.replaceWith(el);
};
default: this.setAttribute(property, value);
}
return el || this;
},

setProperties: function(source){
for (property in source) this.setProperty(property, source[property]);
return this;
},

setHTML: function(html){
this.innerHTML = html;
return this;
},

getProperty: function(property){
return this.getAttribute(property);
},

getTag: function(){
return this.tagName.toLowerCase();
},



getOffset: function(what){
what = what.capitalize();
var el = this;
var offset = 0;
do {
offset += el['offset'+what] || 0;
el = el.offsetParent;
} while (el);
return offset;
},

getTop: function(){
return this.getOffset('top');
},

getLeft: function(){
return this.getOffset('left');
}

});

function $Element(el, method, args){
if ($type(args) != 'array') args = [args];
return Element.prototype[method].apply(el, args);
};

new Object.Native(Element);

function $(el){
if ($type(el) == 'string') el = document.getElementById(el);
if ($type(el) == 'element'){
if (!el.extend){
Unload.elements.push(el);
el.extend = Object.extend;
el.extend(Element.prototype);
}
return el;
} else return false;
};



window.addEvent = Element.prototype.addEvent;
window.removeEvent = Element.prototype.removeEvent;

var Unload = {

elements: [], functions: [], vars: [],

unload: function(){
Unload.functions.each(function(fn){
fn();
});

window.removeEvent('unload', window.removeFunction);

Unload.elements.each(function(el){
for(p in Element.prototype){
window[p] = null;
document[p] = null;
el[p] = null;
}
el.extend = null;
});
}

};
window.removeFunction = Unload.unload;
window.addEvent('unload', window.removeFunction);



var Fx = fx = {};

Fx.Base = new Class({

setOptions: function(options){
this.options = Object.extend({
duration: 500,
onComplete: Class.empty,
onStart: Class.empty,
unit: 'px',
wait: true,
transition: Fx.sinoidal,
fps: 30
}, options || {});
},

step: function(){
var currentTime  = (new Date).getTime();
if (currentTime >= this.options.duration+this.startTime){
this.clearTimer();
this.now = this.to;
this.options.onComplete.pass(this.el, this).delay(10);
this.callChain();
} else {
this.tPos = (currentTime - this.startTime) / this.options.duration;
this.setNow();
}
this.increase();
},

setNow: function(){
this.now = this.compute(this.from, this.to);
},

compute: function(from, to){
return this.options.transition(this.tPos) * (to-from) + from;
},

custom: function(from, to){
if(!this.options.wait) this.clearTimer();
if (this.timer) return;
this.options.onStart.pass(this.el, this).delay(10);
this.from = from;
this.to = to;
this.startTime = (new Date).getTime();
this.timer = this.step.periodical(Math.round(1000/this.options.fps), this);
return this;
},

set: function(to){
this.now = to;
this.increase();
return this;
},

clearTimer: function(){
this.timer = $clear ? $clear(this.timer):null;
return this;
},

setStyle: function(el, property, value){
if (property == 'opacity'){
if (value == 1 && navigator.userAgent.test('Firefox')) value = 0.9999;
el.setOpacity(value);
} else el.setStyle(property, value+this.options.unit);
}

});

Fx.Base.implement(new Chain);

Fx.Style = Fx.Base.extend({

initialize: function(el, property, options){
this.el = $(el);
this.setOptions(options);
this.property = property.camelCase();
},

hide: function(){
return this.set(0);
},

goTo: function(val){
return this.custom(this.now || 0, val);
},

increase: function(){
this.setStyle(this.el, this.property, this.now);
}

});

Fx.Layout = Fx.Style.extend({

initialize: function(el, layout, options){
this.parent(el, layout, options);
this.layout = layout.capitalize();
this.el.setStyle('overflow', 'hidden');
},

toggle: function(){
if (this.el['offset'+this.layout] > 0) return this.custom(this.el['offset'+this.layout], 0);
else return this.custom(0, this.el['scroll'+this.layout]);
},

show: function(){
return this.set(this.el['scroll'+this.layout]);
}

});

Fx.Height = Fx.Layout.extend({

initialize: function(el, options){
this.parent(el, 'height', options);
}

});

Fx.Width = Fx.Layout.extend({

initialize: function(el, options){
this.parent(el, 'width', options);
}

});

Fx.Opacity = Fx.Style.extend({

initialize: function(el, options){
this.parent(el, 'opacity', options);
this.now = 1;
},

toggle: function(){
if (this.now > 0) return this.custom(1, 0);
else return this.custom(0, 1);
},

show: function(){
this.set(1);
}

});

Element.extend({

effect: function(property, options){
return new Fx.Style(this, property, options);
}

});

Fx.sinoidal = function(pos){return ((-Math.cos(pos*Math.PI)/2) + 0.5);}; //this transition is from script.aculo.us

Fx.linear = function(pos){return pos;};

Fx.cubic = function(pos){return Math.pow(pos, 3);};

Fx.circ = function(pos){return Math.sqrt(pos);};

//SuperDom.js - depends on Moo.js + Native Scripts

function $S(){
var els = [];
$A(arguments).each(function(sel){
if ($type(sel) == 'string') els.extend(document.getElementsBySelector(sel));
else if ($type(sel) == 'element') els.push($(sel));
});
return $$(els);
};

function $E(selector, filter){
return ($(filter) || document).getElement(selector);
};

function $$(elements){
return Object.extend(elements, new Elements);
};

function $ES(selector, filter){
return ($(filter) || document).getElementsBySelector(selector);
};

Element.extend({

getElements: function(selector){
var filters = [];
selector.clean().split(' ').each(function(sel, i){
var bits = [];
var param = [];
var attr = [];
if (bits = sel.test('^([\\w]*)')) param['tag'] = bits[1] || '*';
if (bits = sel.test('([.#]{1})([\\w-]*)$')){
if (bits[1] == '.') param['class'] = bits[2];
else param['id'] = bits[2];
}
if (bits = sel.test('\\[["\'\\s]{0,1}([\\w-]*)["\'\\s]{0,1}([\\W]{0,1}=){0,2}["\'\\s]{0,1}([\\w-]*)["\'\\s]{0,1}\\]$')){
attr['name'] = bits[1];
attr['operator'] = bits[2];
attr['value'] = bits[3];
}
if (i == 0){
if (param['id']){
var el = this.getElementById(param['id']);
if (el && (param['tag'] == '*' || $(el).getTag() == param['tag'])) filters = [el];
else return false;
} else {
filters = $A(this.getElementsByTagName(param['tag']));
}
} else {
filters = $$(filters).filterByTagName(param['tag']);
if (param['id']) filters = $$(filters).filterById(param['id']);
}
if (param['class']) filters = $$(filters).filterByClassName(param['class']);
if (attr['name']) filters = $$(filters).filterByAttribute(attr['name'], attr['value'], attr['operator']);

}, this);
filters.each(function(el){
$(el);
});
return $$(filters);
},

getElement: function(selector){
return this.getElementsBySelector(selector)[0];
},

getElementsBySelector: function(selector){
var els = [];
selector.split(',').each(function(sel){
els.extend(this.getElements(sel));
}, this);
return $$(els);
}

});

document.extend = Object.extend;

document.extend({

getElementsByClassName: function(className){
return document.getElements('.'+className);
},
getElement: Element.prototype.getElement,
getElements: Element.prototype.getElements,
getElementsBySelector: Element.prototype.getElementsBySelector

});

var Elements = new Class({

action: function(actions){
this.each(function(el){
el = $(el);
if (actions.initialize) actions.initialize.apply(el);
for(action in actions){
var evt = false;
if (action.test('^on[\\w]{1,}')) el[action] = actions[action];
else if (evt = action.test('([\\w-]{1,})event$')) el.addEvent(evt[1], actions[action]);
}
});
},

filterById: function(id){
var found = [];
this.each(function(el){
if (el.id == id) found.push(el);
});
return found;
},

filterByClassName: function(className){
var found = [];
this.each(function(el){
if ($Element(el, 'hasClassName', className)) found.push(el);
});
return found;
},

filterByTagName: function(tagName){
var found = [];
this.each(function(el){
found.extend($A(el.getElementsByTagName(tagName)));
});
return found;
},

filterByAttribute: function(name, value, operator){
var found = [];
this.each(function(el){
var att = el.getAttribute(name);
if(!att) return;
if (!operator) return found.push(el);

switch(operator){
case '*=': if (att.test(value)) found.push(el); break;
case '=': if (att == value) found.push(el); break;
case '^=': if (att.test('^'+value)) found.push(el); break;
case '$=': if (att.test(value+'$')) found.push(el);
}

});
return found;
}

});

new Object.Native(Elements);



Fx.Styles = Fx.Base.extend({

initialize: function(el, options){
this.el = $(el);
this.setOptions(options);
this.now = {};
},

setNow: function(){
for (p in this.from) this.now[p] = this.compute(this.from[p], this.to[p]);
},

custom: function(objFromTo){
var from = {};
var to = {};
for (p in objFromTo){
from[p] = objFromTo[p][0];
to[p] = objFromTo[p][1];
}
return this.parent(from, to);
},

resizeTo: function(hto, wto){
return this.custom({'height': [this.el.offsetHeight, hto], 'width': [this.el.offsetWidth, wto]});
},

resizeBy: function(hby, wby){
return this.custom({'height': [this.el.offsetHeight, this.el.offsetHeight+hby], 'width': [this.el.offsetWidth, this.el.offsetWidth+wby]});
},

increase: function(){
for (p in this.now) this.setStyle(this.el, p, this.now[p]);
}

});



Fx.Color = Fx.Base.extend({

initialize: function(el, property, options){
this.el = $(el);
this.setOptions(options);
this.property = property.camelCase();
this.now = [];
},

custom: function(from, to){
return this.parent(from.hexToRgb(true), to.hexToRgb(true));
},

setNow: function(){
[0,1,2].each(function(i){
this.now[i] = Math.round(this.compute(this.from[i], this.to[i]));
}, this);
},

increase: function(){
this.el.setStyle(this.property, "rgb("+this.now[0]+","+this.now[1]+","+this.now[2]+")");
},

fromColor: function(color){
return this.custom(color, this.el.getStyle(this.property));
},

toColor: function(color){
return this.custom(this.el.getStyle(this.property), color);
}

});

Element.extend({

effects: function(options){
return new Fx.Styles(this, options);
}

});



Fx.expoIn = function(pos){return Math.pow(2, 10 * (pos - 1))};
Fx.expoOut = function(pos){return (-Math.pow(2, -10 * pos) + 1)};

Fx.quadIn = function(pos){return Math.pow(pos, 2)};
Fx.quadOut = function(pos){return -(pos)*(pos-2)};

Fx.circOut = function(pos){return Math.sqrt(1 - Math.pow(pos-1,2))};
Fx.circIn = function(pos){return -(Math.sqrt(1 - Math.pow(pos, 2)) - 1)};

Fx.backIn = function(pos){return (pos)*pos*((2.7)*pos - 1.7)};
Fx.backOut = function(pos){return ((pos-1)*(pos-1)*((2.7)*(pos-1) + 1.7) + 1)};

Fx.sineOut = function(pos){return Math.sin(pos * (Math.PI/2))};
Fx.sineIn = function(pos){return -Math.cos(pos * (Math.PI/2)) + 1};
Fx.sineInOut = function(pos){return -(Math.cos(Math.PI*pos) - 1)/2};


Fx.wobble = function(pos){return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5};
Fx.pulse = function(pos){return (Math.floor(pos*10) % 2 == 0 ? (pos*10-Math.floor(pos*10)) : 1-(pos*10-Math.floor(pos*10)))};


var Tips = new Class({

setOptions: function(options){
this.options = {
transitionStart: fx.sinoidal,
transitionEnd: fx.sinoidal,
maxTitleChars: 30,
fxDuration: 150,
maxOpacity: 1,
timeOut: 100,
className: 'tooltip'
}
Object.extend(this.options, options || {});
},

initialize: function(elements, options){
this.elements = elements;
this.setOptions(options);
this.toolTip = new Element('div').addClassName(this.options.className).setStyle('position', 'absolute').injectInside(document.body);

this.toolText = new Element('p').injectInside(this.toolTip);
this.fx = new fx.Style(this.toolTip, 'opacity', {duration: this.options.fxDuration, wait: false}).hide();
$A(elements).each(function(el){
if(el.title){
$(el).myText = $check(el.title);
if (el.myText) el.removeAttribute('title');
if (el.href){
if (el.href.test('http://')) el.myTitle = el.href.replace('http://', '');
if (el.href.length > this.options.maxTitleChars) el.myTitle = el.href.substr(0,this.options.maxTitleChars-3)+"...";
}
if (el.myText && el.myText.test('::')){
var dual = el.myText.split('::');
el.myTitle = dual[0].trim();
el.myText = dual[1].trim();
}

el.oldMouseover= (el.onmouseover ? el.onmouseover:null);
el.oldMouseout= (el.onmouseout ? el.onmouseout:null);

el.onmouseover = function(){
this.show(el);
el.oldMouseover ? el.oldMouseover():null;
return false;
}.bind(this);
el.onmousemove = this.locate.bindAsEventListener(this);
el.onmouseout = function(){
el.oldMouseout ? el.oldMouseout():null;
this.timer = $clear ? $clear(this.timer):null;
this.disappear();
}.bind(this);
}
}, this);
},

show: function(el){

this.toolText.innerHTML = el.myText;
this.timer = $clear(this.timer);
this.fx.options.transition = this.options.transitionStart;
this.timer = this.appear.delay(this.options.timeOut, this);
},

appear: function(){
this.fx.custom(this.fx.now, this.options.maxOpacity);
},

locate: function(evt){
var doc = document.documentElement;
this.toolTip.setStyles({'top': evt.clientY + doc.scrollTop + 15 + 'px', 'left': evt.clientX + doc.scrollLeft - 30 + 'px'});
},

disappear: function(){
this.fx.options.transition = this.options.transitionEnd;
this.fx.custom(this.fx.now, 0);
}

});



var Ajax = ajax = new Class({

setOptions: function(options){
this.options = {
method: 'post',
postBody: '',
async: true,
onComplete: Class.empty,
update: null,
evalScripts: false
};
Object.extend(this.options, options || {});
},

initialize: function(url, options){
this.setOptions(options);
this.url = url;
this.transport = this.getTransport();
},

request: function(){
this.transport.open(this.options.method, this.url, this.options.async);
this.transport.onreadystatechange = this.onStateChange.bind(this);
if (this.options.method == 'post'){
this.transport.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
if (this.transport.overrideMimeType) this.transport.setRequestHeader('Connection', 'close');
}
switch($type(this.options.postBody)){
case 'element': this.options.postBody = $(this.options.postBody).toQueryString(); break;
case 'object': this.options.postBody = Object.toQueryString(this.options.postBody);
}
if($type(this.options.postBody) == 'string') this.transport.send(this.options.postBody);
else this.transport.send();
return this;
},

onStateChange: function(){
if (this.transport.readyState == 4 && this.transport.status == 200){
if (this.options.update) $(this.options.update).setHTML(this.transport.responseText);
this.options.onComplete.pass([this.transport.responseText, this.transport.responseXML], this).delay(20);
if (this.options.evalScripts) this.evalScripts.delay(30, this);
this.transport.onreadystatechange = Class.empty;
this.callChain();
}
},

evalScripts: function(){
if(scripts = this.transport.responseText.match(/<script[^>]*?>.*?<\/script>/g)){
scripts.each(function(script){
eval(script.replace(/^<script[^>]*?>/, '').replace(/<\/script>$/, ''));
});
}
},

getTransport: function(){
if (window.XMLHttpRequest) return new XMLHttpRequest();
else if (window.ActiveXObject) return new ActiveXObject('Microsoft.XMLHTTP');
}

});

Ajax.implement(new Chain);

Object.toQueryString = function(source){
var queryString = [];
for (property in source) queryString.push(encodeURIComponent(property)+'='+encodeURIComponent(source[property]));
return queryString.join('&');
};

Element.extend({

send: function(options){
options = Object.extend(options, {postBody: this.toQueryString(), method: 'post'});
return new Ajax(this.getProperty('action'), options).request();
},

toQueryString: function(){
var queryString = [];
$A(this.getElementsByTagName('*')).each(function(el){
$(el);
var name = $check(el.name);
if (!name) return;
var value = false;
switch(el.getTag()){
case 'select': value = el.getElementsByTagName('option')[el.selectedIndex].value; break;
case 'input': if ( (el.checked && ['checkbox', 'radio'].test(el.type)) || (['hidden', 'text', 'password'].test(el.type)) ) 
value = el.value; break;
case 'textarea': value = el.value;
}
if (value) queryString.push(encodeURIComponent(name)+'='+encodeURIComponent(value));
});
return queryString.join('&');
}

});