function CheckForm()
	{
		if(document.UserLogin.UserName.value=="")
		{
			alert("Please input user name！");
			document.UserLogin.UserName.focus();
			return false;
		}
		if(document.UserLogin.Password.value == "")
		{
			alert("Please input password！");
			document.UserLogin.Password.focus();
			return false;
		}
	}