this.blankwin = function(){
	var hostname = window.location.hostname;
	hostname = hostname.replace("www.","").toLowerCase();
	var a = document.getElementsByTagName("a");	
	this.check = function(obj){
		var href = obj.href.toLowerCase();
		var isAInsideLiInsideMenuUl = false;
		if (obj.parentNode.tagName == "LI" && obj.parentNode.parentNode.tagName == "UL") {
			isAInsideLiInsideMenuUl = (obj.parentNode.parentNode.className.indexOf("mainlevel-")!=-1 &&
				obj.parentNode.parentNode.className.indexOf("nav")!=-1);
		}
		var curClassName = obj.className;
		return ((href.indexOf("http://")!=-1 || href.indexOf("https://")!=-1) && href.indexOf(hostname)==-1 && !isAInsideLiInsideMenuUl && 
			curClassName.indexOf("suppress_external_box")==-1) ? true : false;
	};
	this.set = function(obj){
		obj.target = "_blank";
		obj.className = "blank";
	};	
	for (var i=0;i<a.length;i++){
		if(check(a[i])) set(a[i]);
	};		
};

this.addEvent = function(obj,type,fn){
	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]);
	} else {
		obj.addEventListener(type,fn,false);
	};
};
addEvent(window,"load",blankwin);