add: this.events = null; 
context:     destroy: function() {        if (this.map != null) {            this.map.removeLayer(this);        }        this.map = null;        this.name = null;        this.div = null;        this.options = null;    },
meta: 1027	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1027/b5fb4106840c0536cfc968ccd8933d36dfac67ca/Layer.js/buggy/lib/OpenLayers/Layer.js