var isFF = false;
	
	if (/Firefox[\/\s](\d+\.\d+)/.test(navigator.userAgent)){ 
	 isFF=true;
	}
  
  function addLoadEvent(func) {
		var oldonload = window.onload;
		if (typeof window.onload != 'function') {
			window.onload = func;
		} else {
			window.onload = function() {
				oldonload();
				func();
			}
		}
	}

	function getElementsByClassName(name) {
		var results = new Array;
		var elems = document.getElementsByTagName("*");
		for (var i = 0; i < elems.length; i++) {
			if (elems[i].className.indexOf(name) != -1) {
				results[results.length] = elems[i];
			}
		}
		return results;
	}
	
	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();
			return (href.indexOf("http://")!=-1 && href.indexOf(hostname)==-1) ? true : false;
		};
		this.set = function(obj){
			obj.target = "_blank";
		};	
		for (var i=0;i<a.length;i++){
			if(check(a[i])) set(a[i]);
		};		
	};

	
addLoadEvent(blankwin);