//      Javascript to tag file downloads and external links in Google Analytics
//      To use, place reference to this file should be placed at the bottom of all pages,
//      just above the Google Analytics tracking code.
//      All outbound links and links to non-html files should now be automatically tracked.
//
//  +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//      Created by:     Colm McBarron, colm.mcbarron@iqcontent.com
//      Last updated:   12-Feb-2006
//      +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//

var hrefs = document.getElementsByTagName("a");
var link_path = "";
for (var l = 0; l < hrefs.length; l++) {
                try {
                        var link_path = hrefs[l].pathname;
                        if (location.host == hrefs[l].hostname) {
                                if (link_path.match(/\.(doc|pdf|xls|ppt|zip|txt|vsd|vxd|js|css|rar|exe|wma|mov|avi|wmv|mp3)$/)) {
                                        addtrackerlistener(hrefs[l],true);
                                }
                        } else {
                                addtrackerlistener(hrefs[l],false);
                        }
                }
                catch(err) { }
}


function addtrackerlistener(obj,isFile) {
        if (obj.addEventListener) {
                obj.addEventListener('click', function(){trackfiles2(obj,isFile);}, true);
        } else if (obj.attachEvent) {
                obj.attachEvent("on" + 'click', function(){trackfiles2(obj,isFile);});
        }
}

function trackfiles2(obj,isFile) {
	file_path = ""; prefix = "";
	if ( isFile ) { prefix = "/file/"; } else { prefix="/outgoing/";} 
	file_path = prefix + "{" + location.pathname + "}/{" + obj.hostname + "/" + obj.pathname + "}";
	pageTracker._trackPageview(file_path);
}

function trackfiles(array_element) {
        file_path = "";
        if (location.host != this.hostname) {
                file_path = "/outgoing/" + ((array_element.srcElement) ? "/" + array_element.srcElement.hostname : this.hostname);
        }
        file_path = file_path + ((array_element.srcElement) ? "/" + array_element.srcElement.pathname : this.pathname);
        urchinTracker(file_path);
}