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.message.value == "") {
    alert("What is your Message?");
    return false;
  }  
  
return true; 
}