snippet.txt

(function($) { 
  var bind_help = function (form, field, message) { 
    var displayHelp = $.trim(field.val()).length===0;
    
    form.bind('submit', function () { 
      return displayHelp;
    }); 
    field.blur(function () { 
      displayHelp = $.trim(field.val()).length===0;
    }); 
  }; 
})(jQuery);