// figure out all the initial positions for the selected elements
            // and store them.
            if ($p.isSelected(ui.helper[0].id))\; \{\; for\; (id\; in$p.allSelected()) {
                $('#'+id).data(
                  "top0", 
                  parseInt($('#'+id).css("top"),10) - 
                    parseInt($(ui.helper[0]).css("top"),10));
                $('#'+id).data(
                  "left0", 
                  parseInt($('#'+id).css("left"),10) - 
                    parseInt($(ui.helper[0]).css("left"),10));
              }
            }
          },