changing player and city

hello http://www.swfcabin.com/open/1387556445 this ismy gameit snotready yet

i cant make some things can you guys help

first i want that when i press a button the city will change

seconds i want that when i press a button it will change from the helicoter to jet and this jet is inside amovieclip in frame 2 how can i make things things happen