function validate_form ( )
{
    valid = true;

    if ( document.login.uname.value == "" )
    {
        alert ( "Please fill in the 'Your Name' box." );
        valid = false;
    }

    else if ( document.login.pass.value == "" )
    {
        alert ( "Please fill in the 'password' box." );
        valid = false;
    }

    return valid;
}