function chklogin()
        {
            if(!/\S/.test(document.getElementById("txtuid").value))
            {
                alert("Please Enter User ID !!");
                document.getElementById("txtuid").focus();
                return false;
            }
            if(!/\S/.test(document.getElementById("txtpsw").value))
            {
                alert("Please Enter Password !!");
                document.getElementById("txtpsw").focus();
                return false;
            }
            return true;
        }