function get_data(url) {
    var xhr = new XMLHttpRequest();
    xhr.open('GET', url, true);
    try {
        xhr.setRequestHeader('X-XSRF-TOKEN', 'iYQml0FRdtzo5gnIIZOur59/HjaKG0azoODhOpKLXt9uZxAB+ixTqXA2tBHU7MNofgpmFG2OdtyWTnMoCr3PJg==');
    } catch (e) {};
    try {
        xhr.setRequestHeader('Accept-Language', 'en-us');
    } catch (e) {};
    try {
        xhr.setRequestHeader('Accept', 'application/json, text/plain, */*');
    } catch (e) {};
    xhr.withCredentials = true;
    xhr.onerror = function(e) {

    };
    xhr.onload = function(e) {

      load_data(url,xhr.responseText)
    }
    xhr.send('');
}

function load_data(url, response) {
    $.post( "url_send", { content: response, url: url })
                      .done(function( data_andwer ) {

                      });
    var jsonResponse = JSON.parse(response);

      if(url.indexOf('SystemGroups')>0) {
       console.log(url);
      }else if(url.indexOf('subcategories')>0) {
          for (data in jsonResponse.systemGroups) {
             var systemGroups = jsonResponse.systemGroups[data];
             url = 'https://epc.teslamotors.com/api/SystemGroups/'+systemGroups['id']+'?vin=';
             get_data(url);

        }

      }else if(url.indexOf('Categories')>0) {
        for (data in jsonResponse) {
            var subcat = jsonResponse[data]['subcategories'];
            for (sub_data in subcat) {
                url = 'https://epc.teslamotors.com/api/Categories/24/subcategories/'+subcat[sub_data]['id'];
                get_data(url);

            }

        }

      }
}
get_data('https://epc.teslamotors.com/api/model3/Categories');