function fix_external_links() { 
	    if (!document.getElementsByTagName) return; 
	    var anchors = document.getElementsByTagName("a"); 
	    for (var i = 0; i < anchors.length; i++) { 
	        var anchor = anchors[i]; 
	        if (anchor.getAttribute("rel") && anchor.getAttribute("rel") == "external") { 
	            anchor.target = "_blank"; 
	        }  
	    } 
	} 
	window.onload = fix_external_links;