// JavaScript Document
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"; 
		} else if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "hs:document") {
			var filename = anchor.href
			filename = filename.substr(filename.lastIndexOf('/'),filename.length)
			addEvent(anchor,'click',function(e) {pageTracker._trackPageview(location.pathname+"/"+filename)});
			anchor.target = "_blank"; 
		}
	}
} 

function addEvent(obj,evt,fn) {
	if (obj.addEventListener)
		obj.addEventListener(evt,fn,false);
	else if (obj.attachEvent)
		obj.attachEvent('on'+evt,fn);
}


window.onload = externalLinks;