function checkform ( form )
{
  if (form.name.value == "") {
    alert( "Please enter your name" );
    form.name.focus();
    return false ;
  }

  else if (form.email.value == "") {
    alert( "Please provide your e-mail address" );
    form.email.focus();
    return false ;
  }

  else if (form.website.value == "http://") {
    alert( "Please provide your page addres" );
    form.websites.focus();
    return false ;
  }

  else if (form.prog_version.value == "") {
    alert( "Please provide version of your program" );
    form.prog_version.focus();
    return false ;
  }
   
   else if (form.prog_title.value == "") {
    alert( "Please enter your program name" );
    form.prog_title.focus();
    return false ;
  }
  
  return true ;
}