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-link")  {
			anchor.target = "_blank";
			anchor.className += anchor.className ? " extlink" : "extlink";
			anchor.title += " (opens in new window)"
		}
	} 
} 
window.onload = externalLinks;

//window.onload=function(){
//   if(!document.getElementById && !document.createTextNode){return;}
//   externallinks();
//}