add: this.performedDrag = false; 
context:     defaultDblClick: function (evt) {        this.switchModeTo("pan");        var newCenter = this.map.getLonLatFromViewPortPx( evt.xy );         this.map.setCenter(newCenter, this.map.zoom + 2);    },
meta: 4411	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4411/b4a3bfa9c21d9bad6ad6e0ff477f2acb3c72f08d/MouseToolbar.js/clean/lib/OpenLayers/Control/MouseToolbar.js