code: function () {
              var t, l, dde=document.documentElement, db=document.body;
              if (dde && (dde.scrollTop || dde.scrollLeft)) {
                  t = dde.scrollTop;
                  l = dde.scrollLeft;
              } else if (db) {
                  t = db.scrollTop;
                  l = db.scrollLeft;
              } else {
                  YAHOO.log("could not get scroll property", "info", "DragDropMgr");
              }
              return { top: t, left: l };
          }
docs: Returns the current scroll position
  @method getScroll
  @private
  @static