function clk(el)
{
if(document.images)
{
(new Image(1,1)).src="/links.gif?url="+escape(el.href).replace(/\+/g,"%2B");
}
return true;
}      

function _fVoid(){return;}
function trackAdvertiserSignUp(){ try{ urchinTracker("/GoogleAdwordsSignup"); } catch (e) {} }
function trackGoogleFeedbackClick(){ try{ urchinTracker("/AdsByGoogleFeedback");} catch (e) {} }
function trackYPNFeedbackClick(){ try{ urchinTracker("/YahooPublisherFeedback");} catch (e) {} }
function trackYPNClick() { try{ urchinTracker("/YPNClick");} catch (e) {} }    
function trackChitikaClicks() { try{ urchinTracker ("/ChitikaClick");} catch (e) {} }
function trackGoogleAdsenseClicks() { try{ urchinTracker("/GoogleAdSenseClick");} catch (e) {} } 
function trackGoogleAdlinkClicks() { try{ urchinTracker("/GoogleAdLinkClick");} catch (e) {} }

function Init()
{
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("pagead2.googlesyndication.com/pagead/iclk") > -1) 
{elements[i].onfocus = trackGoogleAdsenseClicks;}
else if (elements[i].src.indexOf("pagead2.googlesyndication.com/pagead/ads") > -1) 
{elements[i].onfocus = trackGoogleAdlinkClicks;} 
else if (elements[i].src.indexOf("adwords.google.com") > -1) 
{elements[i].onfocus = trackAdvertiserSignUp; } 
else if (elements[i].src.indexOf("services.google.com") > -1) 
{elements[i].onfocus = trackGoogleFeedbackClick; } 
else if (elements[i].src.indexOf("mm.chitika.net") > -1) 
{ elements[i].onfocus = trackChitikaClicks;} 
else if (elements[i].src.indexOf("overture.com") > -1) 
{elements[i].onfocus = trackYPNClick;} 
else if (elements[i].src.indexOf("publisher.yahoo.com") > -1) 
{elements[i].onfocus = trackYPNFeedbackClick;}
}
}
window.onload = Init;