Scrolling only part of the screen

Hi,
I have the following problem.
1. I created a JFrame, that fills the whole screen.
2. The frame contains two JPanels.
Now for the problem:
I want the top panel to hold a JPEG that is much bigger than itself, so it should contain a JScrollPane or a JViewport, because I want it to be scrollable. It seems, that I only can change the viewport, that the image scrolls downwards. For some reason the area doesn't even react when I try to change the position of the image, so that I can view the part of it that is outside of the panel. Is there anything I can do ?
To better visualize the problem :
Do you know the computer game civilization ? The bottom part of the screen holds menues. The uppermost part is a scrollable map. I want to create something similar.

maybe you need a JSplitPane, split the frame into upper-lower two parts. The upper part holds the JScrollPane for the image panel, the lower part holds the second panel

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Scrolling only part of the screen

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