rem: if (this.callbacks[name]) { 
add: if (name && this.callbacks[name]) { 
context:     callback: function (name, args) {        if (this.callbacks[name]) {            this.callbacks[name].apply(this.control, args);        }    },
meta: 1027	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1027/6fb48c0cd7287bb56cb8c68518c8994201948720/Handler.js/clean/lib/OpenLayers/Handler.js