//########################################################################
//						CORE FUNCTIONS
//########################################################################

/*****	Add Event	****/
function addEvent( obj, type, fn ) {
	if (obj.addEventListener) {
		obj.addEventListener( type, fn, false );
		EventCache.add(obj, type, fn);
	}
	else 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] );
		EventCache.add(obj, type, fn);
	}
	else {
		obj["on"+type] = obj["e"+type+fn];
	}
}

var EventCache = function(){
	var listEvents = [];
	return {
		listEvents : listEvents,
		add : function(node, sEventName, fHandler){
			listEvents.push(arguments);
		},
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				};
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				};
				item[0][item[1]] = null;
			};
		}
	};
}();

/*****	Get Elements By Class	****/
function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp('(^|\\s)'+searchClass+'(\\s|$)');
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

/*****	Check if array contains value	****/
Array.prototype.inArray = function (value) {
	var i;
	for (i=0; i < this.length; i++) {
		if (this[i] === value) {
			return true;
		}
	}
	return false;
};


function $() {
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == 'string')
			element = document.getElementById(element);
		if (arguments.length == 1)
			return element;
		elements.push(element);
	}
	return elements;
}


// http://parentnode.org/javascript/javascript-browser-detection-revisited/
function detectBrowser() {
	var browser = new Object();
	browser["ie"]        = false /*@cc_on || true @*/;
	browser["ie4"]       = browser["ie"] && (document.getElementById == null);
	browser["ie5"]       = browser["ie"] && (document.namespaces == null) && (!browser["ie4"]);
	browser["ie6"]       = browser["ie"] && (document.implementation != null) && (document.implementation.hasFeature != null);
	browser["ie55"]      = browser["ie"] && (document.namespaces != null) && (!browser["ie6"]);
	/*@cc_on
	browser["ie7"]       = @_jscript_version == '5.7';
	@*/
	browser["ns4"]       = !browser["ie"] &&  (document.layers != null) &&  (window.confirm != null) && (document.createElement == null);
	browser["opera"]     = (self.opera != null);
	browser["firefox2"]	 = window.Iterator;
	browser["gecko"]     = (document.getbrowserxObjectFor != null);
	browser["khtml"]     = (navigator.vendor == "KDE");
	browser["konq"]      = ((navigator.vendor == 'KDE') || (document.childNodes) && (!document.all) && (!navigator.taintEnabled));
	browser["safari"]    = (document.childNodes) && (!document.all) && (!navigator.taintEnabled) && (!navigator.accentColorName);
	browser["safari1.2"] = (parseInt(0).toFixed == null) && (browser["safari"] && (window.XMLHttpRequest != null));
	browser["safari2.0"] = (parseInt(0).toFixed != null) && browser["safari"] && !browser["safari1.2"];
	browser["safari1.1"] = browser["safari"] && !browser["safari1.2"] && !browser["safari2.0"];
	return browser;
}

// quirksmode: http://www.quirksmode.org/dom/getElementsByTagNames.html
function getElementsByTagNames(list,obj) {
	if (!obj) var obj = document;
	var tagNames = list.split(',');
	var resultArray = new Array();
	for (var i=0;i<tagNames.length;i++) {
		var tags = obj.getElementsByTagName(tagNames[i]);
		for (var j=0;j<tags.length;j++) {
			resultArray.push(tags[j]);
		}
	}
	var testNode = resultArray[0];
	if (!testNode) return [];
	if (testNode.sourceIndex) {
		resultArray.sort(function (a,b) {
				return a.sourceIndex - b.sourceIndex;
		});
	}
	else if (testNode.compareDocumentPosition) {
		resultArray.sort(function (a,b) {
				return 3 - (a.compareDocumentPosition(b) & 6);
		});
	}
	return resultArray;
}