function CHKContact(f,name)
{
if(f.name.value=="")
{
	alert("Please enter your name.");
	f.name.focus();
	return false;
}
if(name=="membership")
{
	if(f.ic.value=="")
	{
		alert("Please enter your IC number.");
		f.ic.focus();
		return false;
	}
}
if(f.email.value=="")
{
	alert("Please enter your email.");
	f.email.focus();
	return false;
}
if(f.email.value.search("@")==-1 || f.email.value.search("[.*]")==-1)
{
	alert("Please enter a valid email format.");
	f.email.focus();
	return false;
}
return true;
}

function ConfirmLogout()
{
	var ok = confirm("Are you sure want to logout?");
	if(ok){return true;}
	else return false;
}