function validate(theForm){
   if(theForm.name.value.length == 0)
      {
         alert("required field, please enter your name");
         theForm.name.focus();
         return (false);
      }

      if(theForm.email.value.length == 0)
      {
         alert("required field, please enter e-mail address");
         theForm.email.focus();
         return (false);
      }
   }