How do I open the case on a Linksys BEFW11S4 wireles AP ?

Does anyone have any hints on how to open the case on a
linksys BEFW11S4 AP ?

I found a page that shows how to open a WAP11
(http://www.bextreme.net/wap11web/)
but my case seems to be a litle different.


I removed the seal, found and removed the two screws under the feet
and can't figure out what the next step is. The blue and grey
case parts don't want to come apart.

Help.

Thanks.



--
Al Dykes
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(E-Mail Removed)