function checkValues() {
    if (document.frmContact.customerName.value == "") {
      alert("Please enter a value for 'Your name' before submitting your question or comments.");
      document.frmContact.customerName.focus();
      return false; }
    if (document.frmContact.customerEMail.value == "") {
      alert("Please enter a value for 'Your e-mail address' before submitting your question or comments.");
      document.frmContact.customerEMail.focus();
      return false; }
    if (document.frmContact.customerMessage.value == "") {
      alert("Please enter a value for 'What you would like to say' before submitting your question or comments.");
      document.frmContact.customerMessage.focus();
      return false; }
    return true; }