// Algemeen
_gaq.push(['_setAllowAnchor', true], ['_setCampaignCookieTimeout', 2592000000]);

// Subdomeinen
_gaq.push(['_setDomainName', '.webshop.elsevier.com']);

_gaq.push(
  ['_addOrganic', 'google.nl', 'q', true],
  ['_addOrganic', 'google.be', 'q', true],
  ['_addOrganic', 'google.com', 'q', true],
  ['_addOrganic', 'blogsearch.google', 'q', true],
  ['_addOrganic', 'news.google', 'q', true],
  ['_addOrganic', 'maps.google', 'q', true],
  ['_addOrganic', 'video.google', 'q', true],
  ['_addOrganic', 'cuil','q'],
  ['_addOrganic', 'blueyonder','q'],
  ['_addOrganic', 'chello','q1'],
  ['_addOrganic', 'dmoz','search'],
  ['_addOrganic', 'dogpile','q'],
  ['_addOrganic', 'home.nl','q'],
  ['_addOrganic', 'hotbot','query'],
  ['_addOrganic', 'ilse.nl','search_for'],
  ['_addOrganic', 'ixquick.com','query'],
  ['_addOrganic', 'kobala','qr'],
  ['_addOrganic', 'metaspider.nl','query'],
  ['_addOrganic', 'myway.com','searchfor'],
  ['_addOrganic', 'mywebsearch.com','searchfor'],
  ['_addOrganic', 'netmenu.metaseek.nl','qry'],
  ['_addOrganic', 'search.icq.com','q'],
  ['_addOrganic', 'startgoogle.startpagina.nl','q'],
  ['_addOrganic', 'vinden.nl','q'],
  ['_addOrganic', 'vindex.nl','search_for'],
  ['_addOrganic', 'web.nl','zoekwoord'],
  ['_addOrganic', 'zoek.nl','q'],
  ['_addOrganic', 'zoeken.nl','query'],
  ['_addOrganic', 'zoeken.track.nl','qr'],
  ['_addOrganic', 'zoekhet.nl','query'],
  ['_addOrganic', 'zoeknu.nl','Keywords'],
  ['_addOrganic', 'ziggo.nl','q'],
  ['_addOrganic', 'hetnet.nl','keyword']
);

// Google Images
var ref = document.referrer;
if ((ref.search(/images\.google/) != -1) && (ref.search(/prev/) != -1)) {
	var regex = new RegExp("images\.google\.([^\/]+).*&prev=([^&]+)");
	var match = regex.exec(ref);
	 _gaq.push(
		['_setReferrerOverride', 'http://images.google.' + match[1] + unescape(match[2])],
		['_addOrganic', 'images.google', 'q', true]
	);
}

// ***** Configuratie downloads, mailto's en uitgaande links *****

// Uitgaande links naar deze domeinen negeren: ("domein1.nl www.domein2.nl")
var ignore_urls      = "";

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

// ***** Configuratie *****
function xxaddEvent(element, type, handler) {
	if (element.addEventListener) {
		element.addEventListener(type, handler, false);
	} else {
		if (!handler.$$guid) handler.$$guid = xxaddEvent.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] = xxhandleEvent;
	}
};

xxaddEvent.guid = 1;

function xxhandleEvent(event) {
	var returnValue = true;
	event = event || xxfixEvent(((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 xxfixEvent(event) {
	event.preventDefault = xxfixEvent.preventDefault;
	event.stopPropagation = xxfixEvent.stopPropagation;
	return event;
};

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

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

if (!window.addEventListener) {
	document.onreadystatechange = function() {
		if (window.onload && window.onload != xxhandleEvent) {
			xxaddEvent(window, 'load', window.onload);
			window.onload = xxhandleEvent;
		}
	}
}

ignore_urls = document.domain + " " + ignore_urls;
ignore_urls = ignore_urls.replace(/^\s+/,'').replace(/\s+$/,'');
ignore_urls = ignore_urls.split(" ");

function checkLinkToOwnDomains(txt) {
	if (txt.indexOf("?") > -1) {
		txt = txt.substr(0, txt.indexOf("?"));
	}
	if (txt.indexOf("#") > -1) {
		txt = txt.substr(0, txt.indexOf("#"));
	}
	for (var i = 0; i <= ignore_urls.length; i++) {
		if (txt.indexOf(ignore_urls[i]) > -1) { return false; }
	}
	return true;
};

function addextratracking() {
	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|pps|pdf|xls|zip|txt|vsd|vxd|js|css|rar|exe|wma|mov|avi|wmv|mp3|dmg)/) != null) {
			if ((path.indexOf("http://" + location.host) > -1) || (checkLinkToOwnDomains(path) == false)) {
				xxaddEvent(elm[i], "click", function() {
					var url = this.href;
					var dom = document.domain;
					var newurl = url.substr(url.indexOf(dom) + dom.length);
					_gaq.push(['_trackPageview', newurl]);
				} );
			}
		}
		
		// Mailto's
		if (path.indexOf("mailto:") > -1) {
			xxaddEvent(elm[i], "click", function() {
				var url = this.href;
		        _gaq.push(['_trackPageview', prefix_mailto + (url).substr(7)]);
			} );
		}
		
		// Uitgaande links
		if ((checkLinkToOwnDomains(path)) && (path.indexOf("mailto:") == -1) && (path.indexOf("javascript:") == -1) && (path != "")) {
			xxaddEvent(elm[i], "click", function() {
				if ((checkLinkToOwnDomains(this.href)) && (this.href.indexOf("mailto:") == -1) && (this.href.indexOf("javascript:") == -1) && (this.href != "")) {
					var url = this.href;
					if ((url).indexOf("https") > -1) { xxsecure = 8; } else { xxsecure = 7; }
					_gaq.push(['_trackPageview', prefix_clickouts + (url).substr(xxsecure)]);
				}
			} );
		}
	}
};
xxaddEvent(window, "load", function() { addextratracking(); });