GK4 + IE7 : readmore button always visible

Hi everyone

Such a great extension you have there!

Anyway i have an annoying bug with IE7

You can see it here :

The readmore link s always visible, even on hidden articles. If you click a prev/next button (on artist module for example) you will see it animate but does not go 'behind' the container.

The readmore links use a different background (via css) depending on the user's language. (as GK4 does not work with joomfish)

I tried to apply different css rules (z-index, display:none, remove background, etc..) using the 'unvisible' class but nothing does the trick.

Could it be related to a mootools/jQuery incompatibility ?(i see no differences using mootools other version in GK4 module back-end, and use jQuery in noconflict mode.). Turning off the animations 'fix' the readmore buttons, which cannot move anymore, so i thought of an incompatibility.

Anyone has an idea of how to fix that ?

Thanks in advance
Regards

GdV