function validateRegistration(form) {
   errorStr = "";
   fieldStr = form.elements['companyName']
   if (isEmpty(fieldStr.value)) {
      errorStr += "Company Name is a required field\n";
   }
   fieldStr = form.elements['contactName']
   if (isEmpty(fieldStr.value)) {
      errorStr += "Contact Person is a required field\n";
   }
   fieldStr = form.elements['username']
   if (isEmpty(fieldStr.value)) {
      errorStr += "Username is a required field\n";
   }
   fieldStr = form.elements['password']
   if (isEmpty(fieldStr.value)) {
      errorStr += "Password is a required field\n";
   }
   fieldStr = form.elements['zip']
   if (isEmpty(fieldStr.value)) {
      errorStr += "Zip Code is a required field\n";
   }
   fieldStr = form.elements['phoneNumber']
   if (isEmpty(fieldStr.value)) {
      errorStr += "Phone is a required field\n";
   }
   fieldStr = form.elements['emailAddr']
   if (isEmpty(fieldStr.value)) {
      errorStr += "Email is a required field\n";
   }

   if (isEmpty(errorStr)) {
      return true;
   } else {
      alert(errorStr);
      return false;
   }
}