// by Shawn - http://www.digitalpoint.com/~shawn/2005/11/track-adsense-clicks-with-google-analytics.html
// Put this at the bottom of the page (after the last AdSense block)

function adsense_click() {
        if(window.status.indexOf('go to') == 0) {
                urchinTracker ('/AdSenseClick');
        }
}

var elements;
if(document.getElementsByTagName) {
        elements = document.body.getElementsByTagName("IFRAME");
} else if (document.body.all) {
        elements = document.body.all.tags("IFRAME");
} else {
        elements = Array();
}

for(var i = 0; i < elements.length; i++) {
        if(elements[i].src.indexOf('googlesyndication.com') > -1) {
                elements[i].onfocus = adsense_click;
        }
}