jQuery.fn.extend({nextUntil:function(expr){var match=[];this.each(function(){for(var i=this.nextSibling;i;i=i.nextSibling){if(i.nodeType!=1)continue;if(jQuery.filter(expr,[i]).r.length)break;match.push(i);}});return this.pushStack(match);},Accordion:function(settings){settings=jQuery.extend({},jQuery.Accordion.defaults,{header:jQuery(':first-child',this)[0].tagName},settings);var container=this,active=settings.active?jQuery(settings.active,this):settings.active===false?jQuery("<div>"):jQuery(settings.header,this).eq(0),running=0;container.find(settings.header).not(active||"").nextUntil(settings.header).hide();active.addClass(settings.selectedClass);function clickHandler(event){var clicked=jQuery(event.target);if(clicked.parents(settings.header).length){while(!clicked.is(settings.header)){clicked=clicked.parent();}}
var clickedActive=clicked[0]==active[0];if(running||(settings.alwaysOpen&&clickedActive)||!clicked.is(settings.header))
return;active.toggleClass(settings.selectedClass);if(!clickedActive){clicked.addClass(settings.selectedClass);}
var toShow=clicked.nextUntil(settings.header),toHide=active.nextUntil(settings.header),data=[clicked,active,toShow,toHide];active=clickedActive?jQuery([]):clicked;running=toHide.size()+toShow.size();var finished=function(cancel){running=cancel?0:--running;if(running)
return;container.trigger("change",data);};if(settings.animated){if(!settings.alwaysOpen&&clickedActive){toShow.slideToggle(settings.showSpeed);finished(true);}else{toHide.filter(":hidden").each(finished).end().filter(":visible").slideUp(settings.hideSpeed,finished);toShow.slideDown(settings.showSpeed,finished);}}else{if(!settings.alwaysOpen&&clickedActive){toShow.toggle();}else{toHide.hide();toShow.show();}
finished(true);}
return false;};function activateHandlder(event,index){clickHandler({target:jQuery(settings.header,this)[index]});};return container.bind(settings.event,clickHandler).bind("activate",activateHandlder);},activate:function(index){return this.trigger('activate',[index||0]);}});jQuery.Accordion={};jQuery.extend(jQuery.Accordion,{defaults:{selectedClass:"selected",showSpeed:'slow',hideSpeed:'fast',alwaysOpen:true,animated:true,event:"click"},setDefaults:function(settings){jQuery.extend(jQuery.Accordion.defaults,settings);}});