if (isgpx.checked)  {
    var str_gpx="<gpx>";
    for (var j=0;j<y;j++){
    for (var i=0;i<x;i++){
    var str_name;
    str_name=alpha[i]+num[y-j-1];
    str_gpx=str_gpx+"<wpt lat=\"" + String(parseInt(Circles[j*x+i].center.lat() * 100) / 100)+ "\" lon=\"" + String(parseInt(Circles[j*x+i].center.lng() * 100) / 100)+ "\">\n<time>2018-07-12T23:05:53Z</time>\n<name>" +str_name +"</name>\n</wpt>\n";
}};
     str_gpx=str_gpx+"<trk>\n<name>Setka_"+String(A)+"</name>\n";

    for (var j=0;j<y;j++){
    str_gpx=str_gpx+"<trkseg>\n";
    for (var i=0;i<x;i++){
    str_gpx=str_gpx+"<trkpt lat=\""+ String(parseInt(Circles[j*x+i].center.lat() * 100) / 100)+"\" lon=\""+String(parseInt(Circles[j*x+i].center.lng() * 100) / 100)+"\">\n<time>2011-09-22T18:56:51Z</time>\n</trkpt>\n";
};
    str_gpx=str_gpx+"</trkseg>\n";
};
    for (var i=0;i<x;i++){
    str_gpx=str_gpx+"<trkseg>\n";
    for (var j=0;j<y;j++){
    str_gpx=str_gpx+"<trkpt lat=\""+ String(parseInt(Circles[j*x+i].center.lat() * 100) / 100)+"\" lon=\""+String(parseInt(Circles[j*x+i].center.lng() * 100) / 100)+"\">\n<time>2011-09-22T18:56:51Z</time>\n</trkpt>\n";
};
    str_gpx=str_gpx+"</trkseg>\n";
};

     str_gpx=str_gpx+"</trk>\n</gpx>";
     var blob2 = new Blob([str_gpx],  {type: "text/plain;charset=utf-8"});
     var date = new Date();
     var name_file2=String(date.getFullYear())+"-"+String(date.getMonth()+1)+"-"+String(date.getDate())+"&"+String(date.getHours())+"-"+String(date.getMinutes())+"-"+String(date.getSeconds())+"_"+String(A)+".gpx";
     console.log(name_file2);
         saveAs(blob2,name_file2);