function isValidationOK()
    {
       form = document.SupportRequest;

       if(form.userName.value == "")
       {
          alert("Name is required.");
          form.userName.focus();
          return false;
       }
       else
       if(form.email.value == "")
       {
          alert("E-mail is required.");
          form.email.focus();
          return false;
       }
       else
       {
          return true;
       }
    }

    function sendSupportRequest()
    {
       form = document.SupportRequest;
       if(isValidationOK())
       {
          form.submit();
       }
    }