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| 0001193125-10-178099-index.html | 2010-08-05 06:15:01 | |
| 0001193125-10-178099.txt | 2010-08-05 06:15:01 | |
 0001193125-10-178099-xbrl.zip | 58803 | 2010-08-05 06:15:01 |
| d10q.htm | 855695 | 2010-08-05 06:15:01 |
| defnref.xml | 25455 | 2010-08-05 06:15:01 |
| dex311.htm | 10353 | 2010-08-05 06:15:01 |
| dex312.htm | 10388 | 2010-08-05 06:15:01 |
| dex32.htm | 4954 | 2010-08-05 06:15:01 |
| FilingSummary.xml | 8934 | 2010-08-05 06:15:01 |
| Financial_Report.xls | 337287 | 2010-08-05 06:15:01 |
| por-20100630.xml | 410711 | 2010-08-05 06:15:01 |
| por-20100630.xsd | 11385 | 2010-08-05 06:15:01 |
| por-20100630_cal.xml | 47581 | 2010-08-05 06:15:01 |
| por-20100630_def.xml | 98599 | 2010-08-05 06:15:01 |
| por-20100630_lab.xml | 103456 | 2010-08-05 06:15:01 |
| por-20100630_pre.xml | 105718 | 2010-08-05 06:15:01 |
| R1.xml | 34395 | 2010-08-05 06:15:01 |
| R10.xml | 23196 | 2010-08-05 06:15:01 |
| R11.xml | 26691 | 2010-08-05 06:15:01 |
| R12.xml | 31107 | 2010-08-05 06:15:01 |
| R13.xml | 8338 | 2010-08-05 06:15:01 |
| R14.xml | 11178 | 2010-08-05 06:15:01 |
| R2.xml | 115205 | 2010-08-05 06:15:01 |
| R3.xml | 135092 | 2010-08-05 06:15:01 |
| R4.xml | 28892 | 2010-08-05 06:15:01 |
| R5.xml | 146333 | 2010-08-05 06:15:01 |
| R6.xml | 14669 | 2010-08-05 06:15:01 |
| R7.xml | 110172 | 2010-08-05 06:15:01 |
| R8.xml | 99968 | 2010-08-05 06:15:01 |
| R9.xml | 84962 | 2010-08-05 06:15:01 |