IE z-index bug - how to fix?

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http://hayesint.co.nz/concrete5.6.2/index.php/machinery/purlin-lines/qc300-quick-change/

The good old z-index bug in IE is stopping my client's site from going live. Aaaarrrggh!

The submenus drop behind the iframe YouTube content as well as the slideshow doing the same thing.

Any quick fixes? I have tried the jquery script but it interferes with the functioning of the slideshow for some reason.

trixiemay
 
Steevb replied on at Permalink Reply
Steevb
You need to check your nav code.

You have two
<ul class="nav">
and a stay ul at the end.