Added logic so that clicking on the same series or study won't reload the same DICOM file for previewing.  This is especiall irritating with those large 320-slice Toshiba CT scanner files.  Thanks to Pieter Kitslaar for the report.
Added logic so that clicking on the same series or study won't reload
the same DICOM file for previewing.  This is especiall irritating with
those large 320-slice Toshiba CT scanner files.  Thanks to Pieter
Kitslaar for the report.

nagyistoce/devide,zhangfangyan/devide,zhangfangyan/devide,ivoflipse/devide,fvpolpeta/devide,chrisidefix/devide,chrisidefix/devide,fvpolpeta/devide,ivoflipse/devide,nagyistoce/devide