var leaving = true;

function offerA()
{
	var offer = window.open('http://www.worldbingoaffiliates.com/processing/clickthrgh.asp?btag=a_101b_53','_parent')
	offer.focus()
}
// called from window.onunload event
function exitTraffic(){
	// leaving is true when page loads
	// leaving is set to false by every link on the site and when any form is submitted
	// if leaving is still true then user is leaving the site so launch popunder
	if (leaving){
		if(confirm("Desperate Housewives play bingo here... \n\n Click to join!")){
				offerA();
		}
	}
}

// call exitTraffic() function when window unloads
window.onunload=exitTraffic;