addLoadEvent (function () {

		 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";
		 }

	});