// Cross-browser implementation of element.addEventListener()
function addListener(element, type, expression, bubbling) {  
	bubbling = bubbling || false;  
		if(window.addEventListener) { // Standard  
		element.addEventListener(type, expression, bubbling);  
		return true;  
	} 
	else if(window.attachEvent) { // IE  
		element.attachEvent('on' + type, expression);  
		return true;  
	} 
	else 
		return false;  
}  
 
function element_click(evt) {
	var tg = (window.event) ? evt.srcElement : evt.target;  
	if(tg.nodeName == 'A') {  
		if(/\/external\//.test(tg.href) || tg.href.indexOf(location.host) == -1) {  
			try {
				pageTracker._trackPageview('/external/' + tg.href);
			}
			catch(err) {
				//alert('error: ' + err);  
			}
		}  
	}  
}  
 
//Add the click listener to the document  
addListener(document, 'click', element_click);