 if (this.wrapDateLine) { lonlat = lonlat.wrapDateLine(this.maxExtent); } 
    getLonLatFromViewPortPx: function (viewPortPx) {        var lonlat = null;        if (viewPortPx != null) {            var size = this.map.getSize();            var center = this.map.getCenter();            if (center) {                var res  = this.map.getResolution();                        var delta_x = viewPortPx.x - (size.w / 2);                var delta_y = viewPortPx.y - (size.h / 2);                            lonlat = new OpenLayers.LonLat(center.lon + delta_x * res ,                                             center.lat - delta_y * res);             } // else { DEBUG STATEMENT }        }        return lonlat;    },
2032	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2032/f56f13652354311efa54b6f984e97657d6d657fe/Layer.js/clean/lib/OpenLayers/Layer.js