Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000909281-10-000064-index.html | 2010-04-29 12:21:54 | |
| 0000909281-10-000064.txt | 2010-04-29 12:21:54 | |
 0000909281-10-000064-xbrl.zip | 62272 | 2010-04-29 12:21:54 |
| defnref.xml | 28226 | 2010-04-29 12:21:54 |
| ex_31-1.htm | 10613 | 2010-04-29 12:21:54 |
| ex_31-2.htm | 10606 | 2010-04-29 12:21:54 |
| ex_32-1.htm | 5127 | 2010-04-29 12:21:54 |
| ex_32-2.htm | 5031 | 2010-04-29 12:21:54 |
| FilingSummary.xml | 11725 | 2010-04-29 12:21:54 |
| Financial_Report.xls | 88576 | 2010-04-29 12:21:54 |
| form_10-q.htm | 1325370 | 2010-04-29 12:21:54 |
| oks-20100331.xml | 461991 | 2010-04-29 12:21:54 |
| oks-20100331.xsd | 16859 | 2010-04-29 12:21:54 |
| oks-20100331_cal.xml | 51787 | 2010-04-29 12:21:54 |
| oks-20100331_def.xml | 10996 | 2010-04-29 12:21:54 |
| oks-20100331_lab.xml | 204318 | 2010-04-29 12:21:54 |
| oks-20100331_pre.xml | 114678 | 2010-04-29 12:21:54 |
| R1.xml | 83953 | 2010-04-29 12:21:54 |
| R10.xml | 22395 | 2010-04-29 12:21:54 |
| R11.xml | 10398 | 2010-04-29 12:21:54 |
| R12.xml | 11082 | 2010-04-29 12:21:54 |
| R13.xml | 14423 | 2010-04-29 12:21:54 |
| R14.xml | 155985 | 2010-04-29 12:21:54 |
| R15.xml | 40642 | 2010-04-29 12:21:54 |
| R16.xml | 11061 | 2010-04-29 12:21:54 |
| R17.xml | 26658 | 2010-04-29 12:21:54 |
| R18.xml | 11143 | 2010-04-29 12:21:54 |
| R19.xml | 44536 | 2010-04-29 12:21:54 |
| R2.xml | 120727 | 2010-04-29 12:21:54 |
| R3.xml | 17761 | 2010-04-29 12:21:54 |
| R4.xml | 116675 | 2010-04-29 12:21:54 |
| R5.xml | 67111 | 2010-04-29 12:21:54 |
| R6.xml | 24999 | 2010-04-29 12:21:54 |
| R7.xml | 12262 | 2010-04-29 12:21:54 |
| R8.xml | 95366 | 2010-04-29 12:21:54 |
| R9.xml | 89412 | 2010-04-29 12:21:54 |