//fields should be in the form of {FieldName: 'Field Name'}
function verifyForm(form, fields) {
   var message = '';
   for (var i in fields) {
      if (form[i].value == '') {
         message += ' - ' + fields[i];
      }
   }//for
   
   if (message == '') {
      return true;
   } // else there be errors
   
   alert("Please complete the following required fields: " + message);
   return false;
}//verifyForm()