function setup_link_tracking () {
	var gethost = new RegExp(/^https?:\/\/.*?\//i);
	var pagehost = new String( gethost.exec(window.location) );
	var links = document.getElementsByTagName('a');
	for (var i=0; i<links.length; i++) {
		if (pagehost.match( gethost.exec(links[i]) ) == null) {
			links[i].addEventListener('click',function () {
				if (urchinTracker) {
					urchinTracker('/outgoing/' + this.href);
				}
			}, false);
		}
	}
}
$(document).ready( setup_link_tracking );