// 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";
 	}
}

window.onload = externalLinks;