function isFilled(form)
{
    if(form.LOGIN.value == "")
    {
      alert("Please enter a valid login name");
          form.LOGIN.focus();
          return false;
    }
    if(form.FIRSTNAME.value == "")
    {
      alert("Please enter your first name");
          form.FIRSTNAME.focus();
          return false;
    }
    if(form.LASTNAME.value == "")
    {
      alert("Please enter your last name");
          form.LASTNAME.focus();
          return false;
    }
		  if(form.EMAIL.value == "")
    {
      alert("Pleaser enter your email.");
          form.EMAIL.focus();
          return false;
    }
   return true;
}