// 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;