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;