Ext.layout.Accordion=Ext.extend(Ext.layout.FitLayout,{fill:true,autoWidth:true,titleCollapse:true,hideCollapseTool:false,collapseFirst:false,animate:false,sequence:false,activeOnTop:false,renderItem:function(a){if(this.animate===false){a.animCollapse=false}a.collapsible=true;if(this.autoWidth){a.autoWidth=true}if(this.titleCollapse){a.titleCollapse=true}if(this.hideCollapseTool){a.hideCollapseTool=true}if(this.collapseFirst!==undefined){a.collapseFirst=this.collapseFirst}if(!this.activeItem&&!a.collapsed){this.activeItem=a}else{if(this.activeItem){a.collapsed=true}}Ext.layout.Accordion.superclass.renderItem.apply(this,arguments);a.header.addClass("x-accordion-hd");a.on("beforeexpand",this.beforeExpand,this)},beforeExpand:function(c,b){var a=this.activeItem;if(a){if(this.sequence){delete this.activeItem;if(!a.collapsed){a.collapse({callback:function(){c.expand(b||true)},scope:this});return false}}else{a.collapse(this.animate)}}this.activeItem=c;if(this.activeOnTop){c.el.dom.parentNode.insertBefore(c.el.dom,c.el.dom.parentNode.firstChild)}this.layout()},setItemSize:function(f,e){if(this.fill&&f){var b=this.container.items.items;var d=0;for(var c=0,a=b.length;c<a;c++){var g=b[c];if(g!=f){d+=(g.getSize().height-g.bwrap.getHeight())}}e.height-=d;f.setSize(e)}}});Ext.Container.LAYOUTS.accordion=Ext.layout.Accordion;