| 424B3 | Form of prospectus reflecting facts events constituting substantive change from last form | Jul 2, 2008 |  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-8 | Securities offered to employees pursuant to employee benefit plans | Jun 12, 2008 | 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. |
| S-3 | Simplified registration form | Jun 12, 2008 | 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. |
| S-3/A | Pre-effective amendment to an S-3 filing | May 29, 2008 | Open Pre-effective amendment to an S-3 filing in HTML.Open Pre-effective amendment to an S-3 filing in DOC file.Open Pre-effective amendment to an S-3 filing in PDF file.Open Pre-effective amendment to an S-3 filing in XLS file. |
| 424B7 | Prospectus | Feb 1, 2008 | Open Prospectus in HTML.Open Prospectus in DOC file.Open Prospectus in PDF file.Open Prospectus in XLS file. |
