function validator(form) { 

  if (form.name.value == "") {
    alert("Please provide us with Your Name.");
    form.name.focus();
    return false;
  }
  if (form.email.value == "") {
    alert("Please provide us with your Email Address.");
    form.email.focus();    
    return false;
  }
  if (form.website.value == "") {
    alert("Please provide us with your Web Address.");
    form.website.focus();    
    return false;
  } 
  if (form.topic.value == 0) {
    alert("Please choose a Topic.");
    return false;
  }  
  if (form.question.value == "") {
    alert("Please let us know How We Can Help You.");
    return false;
  }

return true; 
}