/**
 * Helper for registerin ajax callbacks.
 * This plugin is dependent on jquery.namespace
 */
(function($) {
    $.wicket = {
      /**
       * Register a callback function to be executed after wicket ajax call is complete.
       * @return reference to passed function.
       */
      ajaxCallback : function(fn) {
      this.registerCallbacks({
        onSuccess: fn,
        onFilure: fn
      });
      return fn;
    },
      registerCallbacks: function(arg) {
        if ($.namespaceExist('Wicket.Ajax')) {
          if (arg.onBefore) {
          Wicket.Ajax.registerPreCallHandler(arg.onBefore);
        }
        if (arg.onSuccess) {
          Wicket.Ajax.registerPostCallHandler(arg.onSuccess);
        }
        if (arg.onFailure) {
          Wicket.Ajax.registerFailureHandler(arg.onFailure);
        }
        }
      }
    }
})(jQuery);