Hello how do I change the menu links ? I ppost one image so you know what I mean

Hello
I am using gallery with google maps plugin.
I am using url rewrite.
My gallery are at http://david.stinget.se/kartan/main.php
and I have one gallery called Resebilder (travelpics) that have the url
http://david.stinget.se/kartan/v/Resebilder/.
Now I want to change the url to: http://david.stinget.se/kartan/v/Resebilder/?g2_view=map.ShowMap.
How do I do that ?
I have tryed to find it in the mysql database but no luck
any one can help me ?
regards
david