Liferay.Menu=new Class({initialize:function(params){var instance=this;instance._button=jQuery(params.button,params.context||document);instance._menu=instance._button.find('ul:first');instance._trigger=instance._button.find(params.trigger);if(instance._menu.length){instance._run();}},_run:function(){var instance=this;var lastLi=instance._trigger.find('ul:first li:last-child');lastLi.addClass('last');var off=function(event){instance._button.removeClass('visible');}
var on=function(event){var trigger=jQuery(this);var parent=trigger.parent();if(parent.is('.visible')){parent.removeClass('visible');}
else{instance._button.removeClass('visible');parent.addClass('visible');}
jQuery(document).unbind().one('click',off);var originalTarget=jQuery(event.originalTarget||event.srcElement);if(!originalTarget.is('a')&&!originalTarget.is('img')){return false;}};instance._trigger.unbind().click(on);}});