super.onBrowserEvent( event );
switch (DOM.eventGetType( event )) {
case Event.ONMOUSEDOWN: {
if ( Event.BUTTON_LEFT == event.getButton() ) {
fireEvent( new MouseDownEvent( event ) );
}
else if ( Event.BUTTON_RIGHT == event.getButton() ) {
fireEvent( new RightMouseDownEvent( event ) );
}
}