function validateForm() {
  var bValid = true;
  
  if (isBlank(document.forms.form1.name.value)) {errMsg(1001, "Name"); bValid = false;}
  else if (isBlank(document.forms.form1.address1.value)) {errMsg(1001, "Address"); bValid = false;}
  else if (isBlank(document.forms.form1.city.value)) {errMsg(1001, "City"); bValid = false;}
  else if (isBlank(document.forms.form1.country.value)) {errMsg(1001, "Country"); bValid = false;}
  else if (document.forms.form1.newsltr.checked == true) {
      if (isBlank(document.forms.form1.email.value)) {
        errMsg(1001, "Email"); bValid = false;
      }
      else if (!isEmail(document.forms.form1.email.value)) {
        errMsg(1006); bValid = false;
      }
    }

  return bValid;
}