Uv mapping problem.I have two images, 1 is shown.

I have this problem with uv mapping.
I have 1 object with 2 different uv maps and materials.the problem is that in the uv window, only one picture is shown.but in the 3d window(textured view) i can see the second uv map.
when i load the second image, nothing changes in the uv mapping window.but in the 3d window i can see the changes.