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| 0000711642-12-000126-index.html | 2012-05-14 14:13:13 | |
| 0000711642-12-000126.txt | 2012-05-14 14:13:13 | |
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| FilingSummary.xml | 7312 | 2012-05-14 14:13:13 |
| Financial_Report.xls | 56029 | 2012-05-14 14:13:13 |
| hpgl-20120331.xml | 49782 | 2012-05-14 14:13:13 |
| hpgl-20120331.xsd | 11164 | 2012-05-14 14:13:13 |
| hpgl-20120331_cal.xml | 4871 | 2012-05-14 14:13:13 |
| hpgl-20120331_def.xml | 36105 | 2012-05-14 14:13:13 |
| hpgl-20120331_lab.xml | 61532 | 2012-05-14 14:13:13 |
| hpgl-20120331_pre.xml | 48839 | 2012-05-14 14:13:13 |
| hpl312_ex311.htm | 9823 | 2012-05-14 14:13:13 |
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| hpl312_ex321.htm | 9771 | 2012-05-14 14:13:13 |
| hpl_10q.htm | 252278 | 2012-05-14 14:13:13 |
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| R2.htm | 19202 | 2012-05-14 14:13:13 |
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