function AlCaricamento_OnLoad() {
            var objPolygon = { lat_min: 0.0, lat_max: 0.0, long_min: 0.0, long_max: 0.0 };
            var region = "-1.123,22.3444,34.444,40.1233,5.666,-6.777,7.1,8.123,9.321,10.000001"; // "1.0,1.0,0.0,0.0,0.0,0.0,0.0,0.0,-1.0,-1.0"; //
            // LONG    LAT
            // -1.123, 22.3444,
            // 34.444, 40.1233
            //  5.666, -6.777
            //  7.1,    8.123
            //  9.321, 10.000001
 
            CalcoloCoordinate(region, objPolygon);
 
            alert("[DOPO] lat_min = " + objPolygon.lat_min + ", lat_max = " + objPolygon.lat_max + ", long_min = " + objPolygon.long_min + ", long_max = " + objPolygon.long_max);
        }
 
        function CalcoloCoordinate(region, objPolygon) {
            if (region.length > 3) {
                var arrCoord = region.split(',');
                objPolygon.long_min = parseFloat(arrCoord[0]);
                objPolygon.long_max = parseFloat(arrCoord[1]);
                objPolygon.lat_min = parseFloat(arrCoord[2]);
                objPolygon.lat_max = parseFloat(arrCoord[3]);
                for (var i = 0; i < arrCoord.length; i++) {
                    var floatCoord = parseFloat(arrCoord[i]);
                    //Posizioni dispari sono le X=longitudine, posizioni pari sono le y=Latitudine
                    // num % 2
                    if ((i + 1) % 2) {
                        // LONGITUDINE
                        if (floatCoord < objPolygon.long_min) {
                            objPolygon.long_min = floatCoord;
                        }
                        if (floatCoord > objPolygon.long_max) {
                            objPolygon.long_max = floatCoord;
                        }
                    }
                    else {
                        // LATITUDINE
                        if (floatCoord < objPolygon.lat_min) {
                            objPolygon.lat_min = floatCoord;
                        }
                        if (floatCoord > objPolygon.lat_max) {
                            objPolygon.lat_max = floatCoord;
                        }
                    }
                } // Fine For
            }
        }