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"; 

	 anchor.title += "";

 } 

} 

window.onload = externalLinks;