function addLoadEvent(func) {
		var oldonload = window.onload;
		if (typeof window.onload != 'function') {
			window.onload = func;
		} else {
			window.onload = function() {
				if (oldonload) {
					oldonload();
				}
				func();
			}
		}
	}
	
	function XBrowserAddHandler(target,eventName,handlerName) {		
		if (target != null) {
			if (target.addEventListener)
				target.addEventListener(eventName, handlerName, false);
			else if (target.attachEvent)
				target.attachEvent("on" + eventName, handlerName);
			else
				target["on" + eventName] = handlerName;
		}
	}
	
	function getElementsByClassName(classname, node)  {
		if(!node) node = document.getElementsByTagName("body")[0];
		var a = [];
		var re = new RegExp('\\b' + classname + '\\b');
		var els = node.getElementsByTagName("*");   
		for(var i=0,j=els.length; i<j; i++)
			if(re.test(els[i].className))a.push(els[i]);
		return a;
	}
	
	function getTargetID(e) {
		if (e.target)
			targ = e.target;
		else if (e.srcElement)
			targ = e.srcElement;
		if (targ.nodeType == 3) // defeat Safari bug
			targ = targ.parentNode;
			
		return targ.id;
	}
	
	function getTargetValue(e) {
		if (e.target)
			targ = e.target;
		else if (e.srcElement)
			targ = e.srcElement;
		if (targ.nodeType == 3) // defeat Safari bug
			targ = targ.parentNode;
			
		return document.getElementById(targ.id).value;
	}
	
	function getCookie(c_name) {
		if (document.cookie.length>0) {
			c_start=document.cookie.indexOf(c_name + "=");
			if (c_start!=-1) { 
				c_start=c_start + c_name.length+1; 
				c_end=document.cookie.indexOf(";",c_start);
				if (c_end==-1) c_end=document.cookie.length;
				return unescape(document.cookie.substring(c_start,c_end)).replace(/__/g, ' ');
			} 
		}
		return "";
	}
	
	function setCookie(c_name,value,expiredays) {
		var exdate=new Date();exdate.setDate(exdate.getDate()+expiredays);
		document.cookie=c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
	}