Ok popup works in the threads to if you have SSI with ST8's imcheck.
in ubb_library2.pl I put this after last link in reglink in my case is that search option
And it worked like charm.
But i thought i put it in the footer or header at CP, it was no succes you have to put in the cgi files you want to popup IM messages be carrefull dont put it in wrong place.
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Happy Holidays Everyone!!!