| S-8 | Securities offered to employees pursuant to employee benefit plans | Dec 4, 2001 |  Open Securities offered to employees pursuant to employee benefit plans in HTML. Open Securities offered to employees pursuant to employee benefit plans in DOC file. Open Securities offered to employees pursuant to employee benefit plans in PDF file. Open Securities offered to employees pursuant to employee benefit plans in XLS file. |
| 424B3 | Form of prospectus reflecting facts events constituting substantive change from last form | Nov 9, 2001 | Open Form of prospectus reflecting facts events constituting substantive change from last form in HTML.Open Form of prospectus reflecting facts events constituting substantive change from last form in DOC file.Open Form of prospectus reflecting facts events constituting substantive change from last form in PDF file.Open Form of prospectus reflecting facts events constituting substantive change from last form in XLS file. |
| 424B3 | Form of prospectus reflecting facts events constituting substantive change from last form | Oct 10, 2001 | Open Form of prospectus reflecting facts events constituting substantive change from last form in HTML.Open Form of prospectus reflecting facts events constituting substantive change from last form in DOC file.Open Form of prospectus reflecting facts events constituting substantive change from last form in PDF file.Open Form of prospectus reflecting facts events constituting substantive change from last form in XLS file. |
| 424B3 | Form of prospectus reflecting facts events constituting substantive change from last form | Aug 14, 2001 | Open Form of prospectus reflecting facts events constituting substantive change from last form in HTML.Open Form of prospectus reflecting facts events constituting substantive change from last form in DOC file.Open Form of prospectus reflecting facts events constituting substantive change from last form in PDF file.Open Form of prospectus reflecting facts events constituting substantive change from last form in XLS file. |
| S-3 | Simplified registration form | Jul 27, 2001 | Open Simplified registration form in HTML.Open Simplified registration form in DOC file.Open Simplified registration form in PDF file.Open Simplified registration form in XLS file. |