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: 8310	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8310/f3a072b151fd0fb48097965647921f2ea0396651/MouseToolbar.js/buggy/lib/OpenLayers/Control/MouseToolbar.js