Can we call a pdk portlet from other pdk portlet

Hi friends,
Can i call a pdk portlet from other pdk portlet when an event happens.
Scenario:
I have a pdk portlet with 10 html links. When anyone clicks on a link then a new portlet should be displayed in the same page.
Is it possible to call one portlet from others.
Please help me out with ur ideas or any workarounds.
Thanks & Rgds,
Dhanu

Neeraj,
Let me state my requirements very clear to u.
1)I have a search portlet at top right corner.
2)Below there is a region with 3 tabs(say A, B, C).
3)When anyone searches for anything in the search portlet then the results should be displayed in new search tab(say D).
4)If any one navigates to other tab(ie A or B or C) then the search tab(ie D) should not be displayed.
This is my requirement. Can u please suggest me with how this can be achieved. I am just a beginner to Oracle portals10.1.4 and i am using JPDK to create portlets.
Please do reply ASAP.
With thanks & Rgds,
Dhanu

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