rem: var newTarget = bt.getLastVisibleBookmark(); 
add: newTarget = bt.getLastVisibleBookmark(); 
context:   onDragRemoveFeedBack: function (aTarget)  {     if (aTarget.localName == "hbox") {       // hit when dropping in the bt or between the last visible bookmark       // and the chevron      var bt = document.getElementById("bookmarks-toolbar");      var newTarget = bt.getLastVisibleBookmark();      if (newTarget)        newTarget.removeAttribute("dragover-right");    } else if (aTarget.localName == "stack") {      var bt = document.getElementById("bookmarks-toolbar");      var newTarget = bt.getLastVisibleBookmark();      newTarget.removeAttribute("dragover-right");    } else {      aTarget.removeAttribute("dragover-left");      aTarget.removeAttribute("dragover-right");      aTarget.removeAttribute("dragover-top");      aTarget.removeAttribute("dragover-bottom");    }  },
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/53b1c61b9fdf8eb410c68dbfd9f36d972c60dc1d/browser.js/clean/browser/base/content/browser.js