= new Vector.(); nav.push(nav2); nav.push(nav3); FlexGlobals.topLevelApplication.navigators = nav; } private function assignNewInstance2():void { var nav:Vector. = new Vector.(); nav.push(nav2); nav.push(nav3); nav.push(nav1); FlexGlobals.topLevelApplication.navigators = nav; } private function assignNewInstanceEmpty():void { FlexGlobals.topLevelApplication.navigators = new Vector.(); } ]]>