add: }  
context:   onDragOver: function (aEvent, aFlavour, aDragSession)  {    var toolbar = aEvent.target;    while (toolbar && toolbar.localName != "toolbar")      toolbar = toolbar.parentNode;    var previousDragItem = gCurrentDragOverItem;    // Make sure we are dragging over a customizable toolbar.    if (!isCustomizableToolbar(toolbar)) {      gCurrentDragOverItem = null;      return;    }        if (aEvent.target.localName == "toolbar") {      gCurrentDragOverItem = aEvent.target;    } else {      var dropTargetWidth = aEvent.target.boxObject.width;      var dropTargetX = aEvent.target.boxObject.x;      gCurrentDragOverItem = null;      if (aEvent.clientX > (dropTargetX + (dropTargetWidth / 2))) {        gCurrentDragOverItem = aEvent.target.nextSibling;        if (!gCurrentDragOverItem)          gCurrentDragOverItem = toolbar;      } else        gCurrentDragOverItem = aEvent.target;    }        if (previousDragItem && gCurrentDragOverItem != previousDragItem) {      setDragActive(previousDragItem, false);    }        setDragActive(gCurrentDragOverItem, true);        aDragSession.canDrop = true;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/0e799dbef1ba9916e073356644a74553011eb9d3/customizeToolbar.js/buggy/toolkit/content/customizeToolbar.js