Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950123-11-006644-index-headers.html | 2011-01-28 16:06:29 | |
| 0000950123-11-006644-index.html | 2011-01-28 16:06:29 | |
| 0000950123-11-006644.txt | 2011-01-28 16:06:29 | |
 0000950123-11-006644-xbrl.zip | 38980 | 2011-01-28 16:06:29 |
 b83531b8353100.gif | 8246 | 2011-01-28 16:06:29 |
| b83531e10vq.htm | 396852 | 2011-01-28 16:06:29 |
| b83531exv10w1.htm | 39003 | 2011-01-28 16:06:29 |
| b83531exv10w2.htm | 29538 | 2011-01-28 16:06:29 |
| b83531exv31w1.htm | 6879 | 2011-01-28 16:06:29 |
| b83531exv31w2.htm | 7150 | 2011-01-28 16:06:29 |
| b83531exv32w1.htm | 3982 | 2011-01-28 16:06:29 |
| defnref.xml | 21358 | 2011-01-28 16:06:29 |
| FilingSummary.xml | 8849 | 2011-01-28 16:06:29 |
| Financial_Report.xls | 161054 | 2011-01-28 16:06:29 |
| R1.xml | 49518 | 2011-01-28 16:06:29 |
| R10.xml | 48722 | 2011-01-28 16:06:29 |
| R11.xml | 11224 | 2011-01-28 16:06:29 |
| R12.xml | 7788 | 2011-01-28 16:06:29 |
| R13.xml | 14615 | 2011-01-28 16:06:29 |
| R14.xml | 11087 | 2011-01-28 16:06:29 |
| R2.xml | 91177 | 2011-01-28 16:06:29 |
| R3.xml | 35453 | 2011-01-28 16:06:29 |
| R4.xml | 94346 | 2011-01-28 16:06:29 |
| R5.xml | 101524 | 2011-01-28 16:06:29 |
| R6.xml | 9901 | 2011-01-28 16:06:29 |
| R7.xml | 56422 | 2011-01-28 16:06:29 |
| R8.xml | 28925 | 2011-01-28 16:06:29 |
| R9.xml | 19364 | 2011-01-28 16:06:29 |
| vprt-20101231.xml | 186222 | 2011-01-28 16:06:29 |
| vprt-20101231.xsd | 10597 | 2011-01-28 16:06:29 |
| vprt-20101231_cal.xml | 33377 | 2011-01-28 16:06:29 |
| vprt-20101231_def.xml | 11016 | 2011-01-28 16:06:29 |
| vprt-20101231_lab.xml | 117818 | 2011-01-28 16:06:29 |
| vprt-20101231_pre.xml | 66090 | 2011-01-28 16:06:29 |