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