// JavaScript Document
function checkform ( form )

{

  // see http://www.thesitewizard.com/archive/validation.shtml

  // for an explanation of this script and how to use it on your

  // own website



  // ** START **
if (form.login.value == "") {

    alert( "Please enter a valid login." );

    form.login.focus();

    return false ;

  }

if (form.pw.value == "") {

    alert( "Please enter a valid password." );

    form.pw.focus();

    return false ;

  }


}