function setUpExternalLinks() {

 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.rel="external";
	 
	 anchor.target ="_blank";

     if(anchor.getAttribute("title")){

     if(anchor.title.indexOf("(opens in a new window)") < 0) anchor.title = anchor.title + ' (opens in a new window)';

     }

   }

 }

}