$exists=0;
 for ($item in `getPanel -scriptType "renderWindowPanel"`) {
        if ( $item == "renderView" ) {
                print "renderView exists.\n";
                $exists=1;
        }
 }
 if ( $exists == 0 ) {
        for ($item in `getPanel -scriptType "renderWindowPanel"`) {
                //print ( $item + "\n");
                if ( $item == "renderWindowPanel1" ) {
                deleteUI renderWindowPanel1;
                $renderPanel = `scriptedPanel -type "renderWindowPanel" -unParent renderView`;
                scriptedPanel -e -label `interToUI $renderPanel` $renderPanel;
                }
        }
 }