function updateCART(form)
{
	form.quan.style.backgroundColor = '';
	// ------------------
	var error = false;
	if(form.quan.value.length == 0){
		//alert("Please enter your First Name");
		form.quan.style.backgroundColor = '#FF5555';
		form.quan.focus(); 
		error = true;
		return;
	}
	if(error == false){
		document.quanform.submit();
	}
		
	
}