// 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";
	 }
}