// JavaScript Document

function externalLinks() {  
	if (!document.getElementsByTagName) return;  
	var anchors = document.getElementsByTagName("a");  
	for (var i=0; i<anchors.length; i++) {  
	 var anchor = anchors[i];  
	 if (anchor.getAttribute("href") &&  
			 anchor.getAttribute("rel") == "external")  
		 anchor.target = "_blank";  
	}  
}  

window.onload = externalLinks;