[Bug 5304] Page seems to be valid but validator seems to fail

http://www.w3.org/Bugs/Public/show_bug.cgi?id=5304

           Summary: Page seems to be valid but validator seems to fail
           Product: Validator
           Version: 0.8.2
          Platform: PC
               URL: http://www.quickportal.it/democomuni/
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: check
        AssignedTo: dave.null@w3.org
        ReportedBy: p.dalmolin@scponline.it
         QAContact: www-validator-cvs@w3.org


The validator reports element names not valid even if looking HTML all seems
ok. I tryed to validate the browser HTML output and all i validated if the last
sctipt tag of "obout treeview" section is commented.