function targetBlank(event) {
		 event = event ? event : window.event;
		 var target = event.srcElement ? event.srcElement : event.target; 
		 
		 while (target.nodeName.toLowerCase() != "a" && target.parentNode != null) 
		 	target = target.parentNode; window.open(target.getAttribute("href"), "_blank");  
			 
			 if (event.cancelable) event.preventDefault();  
			 return false; 
	} function targetBlankBind() { 
		
		var tags = document.getElementsByTagName("A"); 
		var i; 
		
		for (i=0; i<tags.length; i++) 
			if (tags[i].getAttribute("rel") == "external") 
				tags[i].onclick = targetBlank; 
	} if (window.attachEvent) { 
		window.attachEvent("onload", targetBlankBind); 
	} else { 
		window.addEventListener("load", targetBlankBind, false); 
	}