JSF 2.0 How to display a different h:panelGroup each time an item is selected from a selectOneMenu

Question

I have a selectOneMenu that displays some different stuff categories:

Answer 1

You said "Without Page Refresh" in that case there are 2 ways you can achieve this:
1. AJAX: You have to attach cartInfo id with onChange event on your selectOneMenu
which will reRender cartInfo panelGroup
Example:

Note: You have to have some attribute in panelGroup to eveluate to true on change event.

2. JavaScript: You can have your Panel inside the div and can show/hide div again on onChange event.
Example:

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