[Webkit-unassigned] [Bug 28517] New: City or Area selection check boxes don't work because document.activeElement doesn't work

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=28517

           Summary: City or Area selection check boxes don't work because
                    document.activeElement doesn't work
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://www.mlslistings.com/App_Dialog/ViewAll.aspx?sys
                    temname=_ListingArea&clientid=ctl00_cph1_sq1__ListingA
                    rea_textbox&Values=
        OS/Version: Windows XP
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jasneet at chromium.org
                CC: jasneet at chromium.org


Created an attachment (id=35246)
 --> (https://bugs.webkit.org/attachment.cgi?id=35246)
reduced testcase

I Steps:
Go to
http://www.mlslistings.com/App_Dialog/ViewAll.aspx?systemname=_ListingArea&clientid=ctl00_cph1_sq1__ListingArea_textbox&Values=
Or
1. go to www.mlslistings.com
2. click "View All" link under either city or area
3. Attempt to choose one of the areas using the checkboxes

II Issue:
Checkboxes for choosing city or area don't work for selecting search 
parameters in www.mlslistings.com

III Conclusion:
The "checkbox" is faked checkbox, it is actually an image embraced with a link.
When click on it, javascript function _RSNodeClicked() is invoked to execute
the functionalities.

In webkit, the functionalities fails because there is an uncaught exception
thrown in backend, which is:
......
Uncaught TypeError: Cannot read property 'nodeName' of null
......
This exception is thrown because the DOM attribute document.activeElement is
not correct in webkit. When click on a link, the document.activeElement is body
element in webkit, however it should be the link element itself, like what in
IE and FF.

IV Other Browsers:
IE7: ok
FF3: ok

V Nightly tested: 46809

Bug in Chromium : http://code.google.com/p/chromium/issues/detail?id=14436

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