rem: aBox._outlinerBuilderDropTarget = this; 
add: aBox._treeBuilderDropTarget = this; 
context:   removeColumnDropTarget: function(aBox)  {    aBox._outlinerBuilderDropTarget = this;    this.removeDNDListener(aBox, "ondragover", "Target");    this.removeDNDListener(aBox, "ondragdrop", "Target");  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/07d96867f11683becf5e1a6ca5e64e6a9324c957/inTreeBuilder.js/clean/extensions/inspector/resources/content/jsutil/xul/inTreeBuilder.js