function validateForm(form)
{
  if(form.Name.value == "")
  {
   alert("Please enter your name.");
   return false;
  }

 

  if(form.emailAddress.value != null )
  {
    if (form.emailAddress.value != "")
    { if (form.emailAddress.value.indexOf("@") == -1 || form.email.value.indexOf(".") == -1 || form.email.value.indexOf(" ") != -1 || form.email.value.length < 6)
      { alert("Sorry, the email address does not appear to be valid.");
        return false;
      }
    }

    if (form.emailAddress.value == "")
    { alert("Please enter your email address.");
      return false;
    }
  }
}