add: var show = ((this.visibility) && (this.inRange)); this.div.style.display = show ? "" : "none"; 
context:     setMap: function(map) {        if (this.map == null) {                    this.map = map;                        // grab some essential layer data from the map if it hasn't already            //  been set            this.maxExtent = this.maxExtent || this.map.maxExtent;            this.projection = this.projection || this.map.projection;            this.units = this.units || this.map.units;                        this.initResolutions();                        if (!this.isBaseLayer) {                this.inRange = this.calculateInRange();            }                        // deal with gutters            this.setTileSize();        }    },
meta: 1027	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1027/937c0032faeb40f831933db4718fd23627e438c3/Layer.js/clean/lib/OpenLayers/Layer.js