[Chameleon] Highlight search result in map

[Federica De Martin]

Hi everybody,
I'm working on how to highlight elements in map. I need a function to do
this from a popup and from the same form of the map. I find out this
http://lists.maptools.org/pipermail/chameleon-dev/2005-May/003973.html but
I'm not able to make it work.
I don't know where to put the php code, I also tried to use ajax but I get
an error in php file on the final istruction:

$_SESSION["gszCurrentState"] = $oMapSession->saveState();
... saveState() on a non-object ...

maybe because I don't include or call any other chameleon file (but if I try
I get many errors... maybe I include the wrong files...).
Can you help me to make that example work or can you give me an idea on how
to proceed to solve this problem?

Thank you,
Federica
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