rem: canDrop: function(index) { return false; }, 
add: canDrop: function(targetIndex, orientation) { var sourceIndex = this.getSourceIndexFromDrag(); return sourceIndex != -1 && sourceIndex != targetIndex && (orientation == Ci.nsITreeView.DROP_BEFORE || orientation == Ci.nsITreeView.DROP_AFTER);  }, 
context:   canDrop: function(index) { return false; },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/8f18c24fa10f62ac13816dee63a2464b28674759/engineManager.js/clean/browser/components/search/content/engineManager.js