//	This javascript tags file downloads and external links in Google Analytics.
//	You need to be using the Google Analytics Asynchronous Tracking 
//	for this script to work.
//	To use, place this file just before your HTML </body> tag.
//	All outbound links and links to non-html files should now be automatically tracked.
//
//	This script has been provided by Goodwebpractices.com
//	Thanks to ShoreTel, MerryMan and Colm McBarron
//
//	www.goodwebpractices.com
//
// Edited by Eivind Savio to work with Google Analytics Asynchronous Tracking.
// http://code.google.com/intl/nb/apis/analytics/docs/tracking/asyncTracking.html
//
//  www.savio.no

if (document.getElementsByTagName) {
        // Initialize external link handlers
        var hrefs = document.getElementsByTagName("a");
        for (var l = 0; l < hrefs.length; l++) {
                //protocol, host, hostname, port, pathname, search, hash
                if (hrefs[l].protocol == "mailto:") {
                        startListening(hrefs[l],"click",trackMailto);
								
                } else if (hrefs[l].hostname == location.host) {
                        var path = hrefs[l].pathname + hrefs[l].search;
					
                        var isDoc = path.match(/(?:doc|eps|jpg|png|svg|xls|ppt|pdf|xls|zip|txt|vsd|vxd|js|css|rar|exe|wma|mov|avi|wmv|mp3)($|\&)/);
                        if (isDoc) {	
                          startListening(hrefs[l],"click",trackFiles);
	                    }
                } else {
                        startListening(hrefs[l],"click",trackExternalLinks);
                }
        }
}

function startListening (obj,evnt,func) {
        if (obj.addEventListener) {
                obj.addEventListener(evnt,func,false);
        } else if (obj.attachEvent) {
                obj.attachEvent("on" + evnt,func);
        }

}

function trackMailto (evnt) {
        var href = (evnt.srcElement) ? evnt.srcElement.href : this.href;
		var mailto = href.substring(7);
		// Track e-mail clicks as virtual pageviews. IN USE
        var mailto = "/e-post/" + href.substring(7);
		_gaq.push(['_trackPageview',mailto]);
		}
function trackFiles (evnt) {
        var e = (evnt.srcElement) ? evnt.srcElement : this;
        while (e.tagName != "A") {
                e = e.parentNode;
        }
        var tFile = (e.pathname.charAt(0) == "/") ? e.pathname : "/" + e.pathname;
        if (e.search && e.pathname.indexOf(e.search) == -1) tFile += e.search;
       	_gaq.push(['_trackPageview',tFile]);
		//Track PDF-documents as e-commerce with value 60
		var filePos=tFile.lastIndexOf("/");
		var fileName = tFile.substring(filePos+1);
		if (tFile.indexOf(".zip")!=-1) {
		_gaq.push(['_addTrans', orderNum, '', '200', '', '', '', '', '']);
		_gaq.push(['_addItem', orderNum, fileName, 'Download', 'Documents', '200', '1']);
		_gaq.push(['_trackTrans']);
		}
			
} 
function trackExternalLinks (evnt) {
        var e = (evnt.srcElement) ? evnt.srcElement : this;
        while (e.tagName != "A") {
                e = e.parentNode;
        }
        var lnk = (e.pathname.charAt(0) == "/") ? e.pathname : "/" + e.pathname;
	    if (e.hostname != location.host) lnk = '/outgoing/' + e.hostname + lnk;
        _gaq.push(['_trackPageview',lnk]);
}