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";
 			}
	}