http://s339175806.domenastandartowa.pl/main/2/

and i would get the effect:

http://a.imageshack.us/img823/5109/demod.png

All work but when mouse is out of DIV1 and DIV2, DIV2 change its width to 500 and DIV1 change its width to 460. 

I want get the effect: If the cursor is outside divs nothing change. How can I do it?

Sorry for my bad english.