i had a similar problem, the code was : compare_mc.addEventListener(MouseEvent.MOUSE_DOWN, changeCamera);
var boolSwitch:Boolean = false
function changeCamera(e:MouseEvent) {
if (boolSwitch) view.camera = camera2
else view.camera = camera
view.render()
boolSwitch = !boolSwitch;
}
if you don't put the e:MouseEvent argument, it gives a #1063 error.
hth
