var delay = 5000;

setTimeout('cambia()', delay);




function adsense_log_click()
{
//alert("entro");
	//if((window.status.indexOf('go to') == 0) || (window.status.indexOf('visita') == 0) || window.status.indexOf('http://pagead2.google') == 0))
	//{
		adsense_log_url_image = new Image();
		adsense_log_url_image.src = 'http://www.codicesorgente.it/tuttiatavola/adsense_clicklogger.php?R=' +
			escape(document.location) + '&U=' +
			escape(window.status);
			//escape(window.status.substring(7));
			//alert("ok");
	//}
	
}


function cambia()
{
var elements;
if(document.getElementsByTagName) {
	
	elements = document.body.getElementsByTagName("IFRAME");
} else if (document.body.all) {
	
	elements = document.body.all.tags("IFRAME");
} else {
	
	elements = Array();
}
//alert(elements.length);
for(var i = 0; i < elements.length; i++) {
	if(elements[i].src.indexOf('googlesyndication.com') > -1) {
		elements[i].target = "new";
		elements[i].onfocus = adsense_log_click;
		//alert(elements[i].onfocus);
	}
}
}