// Set to "testing" for alerts
var mode = ""
// XMLHttp request code:

function getXMLHTTPObject() {
	var xmlHttp = null;
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp = new XMLHttpRequest();
	}
	catch (e) {
		// Internet Explorer
		try {
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e) {
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

function getDocMeta(url) {
	var req = getXMLHTTPObject();
	if (!req) return;
	var method = "GET";
	req.open(method, url, false);
	req.send(null);

	if (req.status != 200 && req.status != 304) {
		// alert('HTTP error ' + req.status);
		return;
	}

	return req.responseText;
}

// End XMLhttp request code




var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));


/****************************************************
Author: Brian J Clifton
Url: http://www.advanced-web-metrics.com/scripts
This script is free to use as long as this info is left in
     
Combined script for tracking external links, file downloads and mailto links
     
All scripts presented have been tested and validated by the author and are believed to be correct
as of the date of publication or posting. The Google Analytics software on which they depend is 
subject to change, however; and therefore no warranty is expressed or implied that they will
work as described in the future. Always check the most current Google Analytics documentation.

Thanks to Nick Mikailovski (Google) for intitial discussions & Holger Tempel from webalytics.de
for pointing out the original flaw of doing this in IE.

****************************************************/
// Only links written to the page (already in the DOM) will be tagged
// This version is for ga.js (last updated Jan 15th 2009)


function addLinkerEvents() {
	var as = document.getElementsByTagName("a");
	var extTrack = siteExcludedSiteList;
	// List of local sites that should not be treated as an outbound link. Include at least your own domain here

	var extDoc = siteExtensionList;
	// List of file extensions on your site. Add/edit as you require

	/*If you edit no further below this line, Top Content will report as follows:
	/ext/url-of-external-site
	/downloads/filename
	/mailto/email-address-clicked
	*/

	for (var i = 0; i < as.length; i++) {
		var flag = 0;
		var tmp = as[i].getAttribute("onclick");

		// IE6-IE7 fix (null values error) with thanks to Julien Bissonnette for this
		if (tmp != null) {
			tmp = String(tmp);
			if (tmp.indexOf('urchinTracker') > -1 || tmp.indexOf('_trackPageview') > -1) continue;
		}

		// Tracking outbound links off site - not the GATC
		for (var j = 0; j < extTrack.length; j++) {
			//alert(extTrack[j] + " - " + as[i].href.indexOf(extTrack[j]));
			if (as[i].href.indexOf(extTrack[j]) == -1 && as[i].href.indexOf('google-analytics.com') == -1) {
				flag++;
			}
		}

		if (flag == extTrack.length && as[i].href.indexOf("mailto:") == -1) {
			as[i].onclick = function() { var splitResult = this.href.split("//"); pageTracker._trackPageview('/ext/' + splitResult[1]) + ";" + ((tmp != null) ? tmp + ";" : ""); };
		}

		// Tracking electronic documents - doc, xls, pdf, exe, zip
		for (var j = 0; j < extDoc.length; j++) {
			if (as[i].href.indexOf(extTrack[0]) != -1 && as[i].href.indexOf(extDoc[j]) != -1) {
				as[i].onclick = function() {
					var splitResult = this.href.split(extTrack[0]); pageTracker._trackPageview('/downloads' + splitResult[1]) + ";"
+ ((tmp != null) ? tmp + ";" : "");
				}
				//alert(as[i] +"  downloads" +splitResult[1])
				break;
			}
		}

		// New code: 18 Feb 2009: RL
		// Tracks Nemisys downloads through download.asp
		// 9 Mar 2009: RL
		// Now adds "filetitle" (if it exists) to string passed to Analytics
		// Also doctitle and filename as pulled from database - XMLHttp request code: AF
		if (as[i].href.indexOf("download.asp") != -1) {
			var linkText = as[i].innerHTML;
			linkText = linkText.replace(/(<([^>]+)>)/ig, "");
			var searchText = as[i].search;
			var downloadID = "none";
			var downloadFileTitle = "none";
			searchText = searchText.substr(1);
			searchParams = searchText.split("&");
			var ajaxyData = "none";
			if (searchParams.length > 0) {
				for (var sps = 0; sps < searchParams.length; sps++) {
					if (searchParams[sps].substring(0, 3) == "id=") {
						downloadID = searchParams[sps].substr(3);

					}
					if (searchParams[sps].substring(0, 10) == "filetitle=") {
						downloadFileTitle = searchParams[sps].substr(10);
					}
				}
			}

			as[i].onclick = function() {
				var passedString = '/downloads/id=' + downloadID + "&linktext=" + linkText
				ajaxyData = getDocMeta("get_library_metadata.asp?id=" + downloadID);
				if (downloadFileTitle != "none") {
					passedString += "&fileTitle=" + downloadFileTitle
				}
				if (ajaxyData != "none") {
					passedString += "&" + ajaxyData
				}
				if (mode == "testing") {
					alert('This is now passing the following string through to Google Analytics: ' + passedString);
				} else {
					pageTracker._trackPageview(passedString);
				}
			}
		}


		// added to track mailto links 23-Oct-2007
		// updated 31-Oct-2008 to remove break command - thanks to Victor Geerdink for spotting this
		if (as[i].href.indexOf("mailto:") != -1) {
			as[i].onclick = function() { var splitResult = this.href.split(":"); pageTracker._trackPageview('/mailto/' + splitResult[1]) + ";" + ((tmp != null) ? tmp + ";" : ""); }
			//alert(as[i] +"  mailto/" +splitResult[1])
		}
	}
}

window.onload = function() {
	addLinkerEvents();
}

function basicPageView() {
	// this is where we can track page names, or breadcrumb trail, or whatever we choose.

	// How many parameters have been passed in?
	var noOfParams = basicPageView.arguments.length;
	if (noOfParams == 0) {
		if (mode == "testing") {
			alert("Standard track")
		} else {
			pageTracker._trackPageview();
		}

	} else {
		// If parameters are passed in, a string is constructed from the parameters, separated by a forward slash.
		var pageCall = "";
		for (var f = 0; f < basicPageView.arguments.length; f++) {
			pageCall += "/" + basicPageView.arguments[f];
		}
		if (mode == "testing") {
			alert('This is now passing the following string through to Google Analytics: ' + pageCall);
		} else {
			pageTracker._trackPageview(pageCall);
		}
	}

}