function MyValidator(theForm)
{
  if (theForm.name.value=="")
  { 
		alert("Sign your name!!");
		theForm.name.focus();
    return (false);		
	}

  if (theForm.opinion.value=="")
  { 
		alert("Insert your opinion!!");
		theForm.opinion.focus();
    return (false);		
	}
	
	return (true);
}