rem: this.isBaseLayer = isBaseLayer; if (this.map != null) { this.map.events.triggerEvent("changelayer"); 
add: if (isBaseLayer != this.isBaseLayer) { this.isBaseLayer = isBaseLayer; if (this.map != null) { this.map.events.triggerEvent("changelayer"); } 
context:     setIsBaseLayer: function(isBaseLayer) {        this.isBaseLayer = isBaseLayer;        if (this.map != null) {            this.map.events.triggerEvent("changelayer");        }    },
meta: 1027	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1027/1603d5a8ba7dfaaa2dc66305ecce6bf0c8d5b4fc/Layer.js/clean/lib/OpenLayers/Layer.js