add: alert("adding DND: dropTarget=" + target._box.className + "(" + compId + ") <- dragSource=" + this._box.className + "(" + this._id + ")"); 
context:     addDragTarget: function(compId) {        if (this._dragAndDropHandler == null) this._dragAndDropHandler = new tw_DragAndDropHandler(this);        var target = tw_Component.instances[compId];        this._dragAndDropHandler.addTarget(target);    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/cfa7cacc22cf44240d4fdac2a16ac0b70fe21708/Component.js/clean/src/thinwire/render/web/resources/Component.js