this.maskEl.hide();if(this.loadMask){this.maskEl.show();}},getChildContainer:function(){if(this.el&&this.el.select('.collapse').getCount()){return this.el.select('.collapse',true).first();}return this.el;},mask:function(){this.maskEl.show();},unmask:function(){this.maskEl.hide();
},onToggle:function(){if(this.fireEvent('beforetoggle',this)===false){return;}var ce=this.el.select('.navbar-collapse',true).first();if(!ce.hasClass('show')){this.expand();}else{this.collapse();}},expand:function(){var ce=this.el.select('.navbar-collapse',true).first();
if(ce.hasClass('collapsing')){return;}ce.dom.style.height='';ce.addClass('in');ce.removeClass('collapse');ce.addClass('show');var h=ce.getHeight();Roo.log(h);ce.removeClass('show');ce.addClass('collapsing');ce.setHeight(0);ce.on('transitionend',function(){ce.removeClass('collapsing');
-ce.addClass('show');ce.removeClass('collapse');ce.dom.style.height='';},this,{single:true});ce.setHeight(h);},collapse:function(){var ce=this.el.select('.navbar-collapse',true).first();if(ce.hasClass('collapsing')||ce.hasClass('collapse')){return;}ce.removeClass('in');
-ce.setHeight(ce.getHeight());ce.removeClass('show');ce.addClass('collapsing');ce.on('transitionend',function(){ce.dom.style.height='';ce.removeClass('collapsing');ce.addClass('collapse');},this,{single:true});ce.setHeight(0);}});
+ce.addClass('show');ce.removeClass('collapse');ce.dom.style.height='';},this,{single:true});ce.setHeight(h);ce.dom.scrollTop=0;},collapse:function(){var ce=this.el.select('.navbar-collapse',true).first();if(ce.hasClass('collapsing')||ce.hasClass('collapse')){return;
+}ce.removeClass('in');ce.setHeight(ce.getHeight());ce.removeClass('show');ce.addClass('collapsing');ce.on('transitionend',function(){ce.dom.style.height='';ce.removeClass('collapsing');ce.addClass('collapse');},this,{single:true});ce.setHeight(0);}});
// Roo/bootstrap/NavSimplebar.js
Roo.bootstrap.NavSimplebar=function(A){Roo.bootstrap.NavSimplebar.superclass.constructor.call(this,A);};Roo.extend(Roo.bootstrap.NavSimplebar,Roo.bootstrap.Navbar,{inverse:false,type:false,arrangement:'',align:false,weight:'light',main:false,tag:false,getAutoCreate:function(){var A={tag:this.tag||'div',cls:'navbar navbar-expand-lg roo-navbar-simple'}
;if(['light','white'].indexOf(this.weight)>-1){A.cls+=['light','white'].indexOf(this.weight)>-1?' navbar-light':' navbar-dark';}A.cls+=' bg-'+this.weight;if(this.inverse){A.cls+=' navbar-inverse';}A.cn=[{cls:'nav',tag:'ul'}];this.type=this.type||'nav';if(['tabs','pills'].indexOf(this.type)!=-1){A.cn[0].cls+=' nav-'+this.type}