var Prototype = {
	Version: '1.5.1',
	
	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
	}
}

var Class = {
	create: function(){
		return function(){
			this.initialize.apply(this, arguments);
		}
	}
};
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);
	}
};
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){
		element = $(element);
		return !!element.className.match(new RegExp("\\b" + className + "\\b"));
	},
	addClassName: function(element, className){
		element = $(element);
		if (!Element.hasClassName(element, className)) 
			element.className = (element.className + ' ' + className);
	},
	removeClassName: function(element, className){
		element = $(element);
		if (Element.hasClassName(element, className)) 
			element.className = element.className.replace(className, '');
	},
	hide: function(element){
		$(element).style.display = 'none';
		return element;
	},
	show: function(element){
		$(element).style.display = '';
		return element;
	},
	visible: function(element){
		return $(element).style.display != 'none';
	}
});
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;
};
if (!window.Event) {
	var Event = new Object();
}
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,
	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, length = Event.observers.length; i < length; i++) {
			Event.stopObserving.apply(this, Event.observers[i]);
			Event.observers[i][0] = null;
		}
		Event.observers = false;
	},
	observe: function(element, name, observer, useCapture){
		element = $(element);
		useCapture = useCapture || false;
		if (name == 'keypress' && (navigator.appVersion.match(/Konqueror|Safari|KHTML/) || element.attachEvent)) 
			name = 'keydown';
		Event._observeAndCache(element, name, observer, useCapture);
	},
	stopObserving: function(element, name, observer, useCapture){
		element = $(element);
		useCapture = useCapture || false;
		if (name == 'keypress' && (navigator.appVersion.match(/Konqueror|Safari|KHTML/) || element.detachEvent)) 
			name = 'keydown';
		if (element.removeEventListener) {
			element.removeEventListener(name, observer, useCapture);
		}
		else 
			if (element.detachEvent) {
				try {
					element.detachEvent('on' + name, observer);
				} 
				catch (e) {
				}
			}
	}
});
Object.extend(Event,{
	_domReady: function(){
		if (arguments.callee.done) 
			return;
		arguments.callee.done = true;
		if (this._timer) 
			clearInterval(this._timer);
		this._readyCallbacks.each(function(f){
			f()
		});
		this._readyCallbacks = null;
	},
	onDOMReady: function(f){
		if (!this._readyCallbacks) {
			var domReady = this._domReady.bind(this);
			if (document.addEventListener) 
				document.addEventListener("DOMContentLoaded", domReady, false);
			if (/WebKit/i.test(navigator.userAgent)) {
				this._timer = setInterval(function(){
					if (/loaded|complete/.test(document.readyState)) 
						domReady();
				}, 10);
			}
			Event.observe(window, 'load', domReady);
			Event._readyCallbacks = [];
		}
		Event._readyCallbacks.push(f);
	}
});