// 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"; 
 } 
}