function refreshLeaderAd(){

	var url = 'includes/ajax/update_adverts.php';
	var pars = '';
	//alert(pars);
	new Ajax.Updater('ad_leader', url, {
		method:'get',
		parameters: pars,
		onSuccess: function(transport) {
			var response = transport.responseText || "no response text";
			// alert("Success! \n\n" + response);
		},
		onFailure: function(){ alert('Something went wrong...') }
	});
	
}