// JavaScript Document
  function validate_loginform ( )
{
    valid = true;
	

    if ( document.clientlogin.username.value == "" )
    {
        alert ( "ERROR!\nPlease enter your username." );
        valid = false;
	}
  
	
	else if ( document.clientlogin.password.value == "" )
    {
        alert ( "ERROR!\nPlease enter your password." );
        valid = false;
	}
	
				
    return valid;
}