var ignore_urls = "";
var prefix_clickouts = "/clickouts/";
var prefix_mailto = "/mailto/";

function addEvent(element, type, handler) {
	if (element.addEventListener) {
		element.addEventListener(type, handler, false);
	} else {
		if (!handler.$$guid) handler.$$guid = addEvent.guid++;
		if (!element.events) element.events = {};
		var handlers = element.events[type];
		if (!handlers) {
			handlers = element.events[type] = {};
			if (element["on" + type]) {
				handlers[0] = element["on" + type];
			}
		}
		handlers[handler.$$guid] = handler;
		element["on" + type] = handleEvent;
	}
}

addEvent.guid = 1;
function handleEvent(event) {
	var returnValue = true;
	event = event || fixEvent(((this.ownerDocument || this.document || this).parentWindow || window).event);
	var handlers = this.events[event.type];
	for (var i in handlers) {
		this.$$handleEvent = handlers[i];
		if (this.$$handleEvent(event) === false) {
			returnValue = false;
		}
	}
	return returnValue;
}

function fixEvent(event) {
	event.preventDefault = fixEvent.preventDefault;
	event.stopPropagation = fixEvent.stopPropagation;
	return event;
}

fixEvent.preventDefault = function() {
	this.returnValue = false;
}

fixEvent.stopPropagation = function() {
	this.cancelBubble = true;
}

ignore_urls = document.domain + " " + ignore_urls;
ignore_urls = ignore_urls.replace(/^\s+/,'').replace(/\s+$/,'');
ignore_urls = ignore_urls.split(" ");
function checkLinkToOwnDomains(txt) {
	for (var i = 0; i <= ignore_urls.length; i++) {
		if (txt.indexOf(ignore_urls[i]) > -1) {
			return false;
		}
	}
	return true;
}

elm = document.getElementsByTagName("a");
for (var i = 0; i < elm.length; i++) {
	var path = elm[i].href + "";
	// 	Downloads
	if (path.match(/\.(doc|eps|jpg|png|svg|xls|ppt|pdf|xls|zip|txt|vsd|vxd|js|css|rar|exe|wma|mov|avi|wmv|mp3)/) != null) {
		if ((path.indexOf("http://" + location.host) > -1) || (checkLinkToOwnDomains(path) == false)) {
			addEvent(elm[i], "click", function() {
				pageTracker._trackPageview(this.href)
			});
		}
	}
	// Mailto's
	if (path.indexOf("mailto:") > -1) {
		addEvent(elm[i], "click", function() {
			pageTracker._trackPageview(prefix_mailto + (this.href).substr(7))
		});
	}
	// Uitgaande links
	if ((checkLinkToOwnDomains(path)) && (path.indexOf("mailto:") == -1)) {
		addEvent(elm[i], "click", function() {
			pageTracker._trackPageview(prefix_clickouts + (this.href).substr(7))
		});
	}
}