} else {   this.imageSize = tileSize; this.imageOffset = new OpenLayers.Pixel(0, 0); 
    setTileSize: function(size) {        var tileSize = (size) ? size :                                ((this.tileSize) ? this.tileSize :                                                   this.map.getTileSize());        this.tileSize = tileSize;        if(this.gutter) {            // layers with gutters need non-null tile sizes            //if(tileSize == null) {            //    OpenLayers.console.error("Error in layer.setMap() for " +            //                              this.name + ": layers with gutters " +            //                              "need non-null tile sizes");            //}            this.imageOffset = new OpenLayers.Pixel(-this.gutter, -this.gutter);             this.imageSize = new OpenLayers.Size(tileSize.w + (2 * this.gutter),                                                  tileSize.h + (2 * this.gutter));         } else {            // layers without gutters may have null tile size - as long            // as they don't rely on Tile.Image            this.imageSize = tileSize;            this.imageOffset = new OpenLayers.Pixel(0, 0);        }    },
2032	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2032/bb6f69d83f578e778f24566aef04ee51c3624bb1/Layer.js/clean/lib/OpenLayers/Layer.js