function checklogin()
		{
		if(document.form1.us.value=="")
		{
			alert("Enter 'Username' then Login");
			document.form1.us.focus();
			return false;
		}
		if(document.form1.ps.value=="")
		{
			alert("Enter 'Password' then Login");
			document.form1.ps.focus();
			return false;
		}
		}