function check_world_rates(pn,locationDiv,copyDiv,nl) {	
		//for rate finder in lightbox
		$(copyDiv).style.textAlign = "center";
		$(copyDiv).innerHTML = '<img src="/images/common/ajax_loader_orange.gif" />';
		$(locationDiv).show();
		new Ajax.Request ('/ajax/vonage_world_rate_ajax.php', {
						  	parameters: { number: pn,nolink : nl },
							method: 'get',
							onSuccess: function(transport) {
								$(copyDiv).style.textAlign = "left";
								$(copyDiv).update(transport.responseText);								
							},
							onFailure: function() {
								$(copyDiv).style.textAlign = "left";
								$(copyDiv).update('<strong style="padding:10px">Information unavailable.  Please try again later.</strong>');
							}
						  });
		return false;
}