function displayMenu(id) 
{
	obj = document.getElementById(id);

	if (obj.style.display=='none')
	{
		obj.style.display='';
	} else {
		obj.style.display='none';
	}
}
function deleteCustomer(customerId) { 
	alert('tese');
	msg = 'Delete this Customer ?\r\n'; 
	if (confirm(msg)) { 
		window.location.href = 'main.php?module=customer&logic=saveCustomer&view=customeres&action=delete&corId='+customerId; 
	} 
}