Hover background image

[B][U]Solved: can be deleted[/U][/B]

Hey,

http://pastebin.com/A1h4pDKG think thats the code needed from <removed my url>
When i hover the menu, menu-bg2.png should appear, but it stay behind menu-bg1.png…
How come ? i know this is not an oxid question, but others dont help

Edit: nevermind, remove the threat. spend so many hour on it now, and just after i made this, i thought of something, and now it works. css problem i looked through