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: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/d38a0937d9c93a0a9d913e2ac781e4328bb8cc73/inTreeBuilder.js/clean/extensions/inspector/resources/content/jsutil/xul/inTreeBuilder.js