// 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;