(See the best response by Alex Peterson.)

Problem description:
Can someone help me i need advice.

Best response
Need advice with what? Is that really a description of your problem?
coding a icon like inventory in other tabs
See Z-Tips: Buttons in Statpanels for how to include clickable icons in your statpanels. I think the size of your statpanel icons is limited to (scaled down to) world.icon_size.