this.options.maxResolution = this.extent.getWidth() / this.size.w; 
this.options.maxResolution = this.aspectRatio * this.extent.getWidth() / this.size.w; 
    setMap: function(map) {        // If nothing to do with resolutions has been set, assume a single        //  resolution determined by extent/size        if( this.options.maxResolution == null ) {            this.options.maxResolution = this.extent.getWidth() / this.size.w;        }        OpenLayers.Layer.prototype.setMap.apply(this, arguments);    },
2032	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2032/cd6f2dd006b5bdfef6c4c35970909b102a5f601a/Image.js/buggy/lib/OpenLayers/Layer/Image.js