function movable() // install movable window handler {
       function onKeyDown(evt) {
           if(evt.keyCode == Event.VK_CONTROL )         {
               is_ctrl = true;         }     }     function onKeyUp(evt) {
           if(evt.keyCode == Event.VK_CONTROL )         {
               is_ctrl = false;         }     }     function onWheelPos(evt){
           alert(0);     }     view.root.subscribe(onKeyDown, Event.KEY, Event.KEY_DOWN );     view.root.subscribe(onKeyUp, Event.KEY, Event.KEY_UP );     view.root.subscribe(onWheelPos, Event.MOUSE, Event.MOUSE_WHEEL );     return false; } movable();