[imp] checkAuthentication problems with IMP 3.2.1 & Horde 2.2.3

[vincent at coresystem.net]

I'm experiencing some problems with
IMP 3.2.1 & Horde 2.2.3
I'm using POP authentication

After login in, when i click on filter (filters.php) & prefs (prefs.php)
All i can see is a blank page. (on IE 6.x)

So i've decide to modify this on filters.php
beacause it seems to be an error with the function
IMP::checkAuthentication(OP_HALFOPEN);
when no messages are in the mailbox.

<---- snip ------>
if (!array_key_exists('imp', $_SESSION) && !is_array($_SESSION['imp'])) {
IMP::checkAuthentication(OP_HALFOPEN);
}
<---- snip ------>

regards

Vincent.