onload=function() {
	externalLinks();
}
function addEvent(obj, type, fn) {
	if (obj.addEventListener)
		obj.addEventListener(type, fn, false);
	else if (obj.attachEvent) {
		obj["e"+type+fn]=fn;
		obj[type+fn]=function() {obj["e"+type+fn](window.event);}
		obj.attachEvent("on"+type, obj[type+fn]);
	}
}
function externalLinks() {
	for (var i=0; i<document.links.length; i++) {
		if (document.links[i].getAttribute("rel")=="external") {
			document.links[i].onclick=function() {
				window.open(this.href);
				return false;
			}
		}
	}
}