SANDBOX/BROWSE > FF3 and Safari > Health Resources & Information & Media Literacy Resources > From serach page ,clicking browser back button is not taking theuser back to sandbox/Browse_ page.

Go to http://www.curriki.org/xwiki/bin/view/sandbox/Browse_Health

In Windows XP FF3 and MAC Safri3.1.2 , FF3 > Click any link ( except the Featured Resource and Health Group). User is taken to Serach page.
Click the browser back link.
User is not taken back to http://www.curriki.org/xwiki/bin/view/sandbox/Browse_Health page.

Same issue with the following cases also:

Information & Media Literacy Resources links.
Science Resources links.
Social Studies> 'Browse All Social Studies Resources' link.

In IE7 & IE6 this issue is not occuring.