Roblox Character Downloader

// ==UserScript==
// @name        Roblox Character Grabber
// @namespace   swoodgrommets
// @description For grabbing OBJ and MTL of roblox characters automatically
// @include     http://web.roblox.com/*
// @include web.roblox.com/*
// @include     http://www.roblox.com/*
// @include www.roblox.com/*
// @exclude http://www.roblox.com/userads/*
// @exclude http://web.roblox.com/userads/*
// @exclude www.roblox.com/userads/*
// @exclude web.roblox.com/userads/*
// @version     2
// @grant       none
// ==/UserScript==
var new_button;
console.log("Script Running");
new_button = document.createElement("a");
new_button.id = "DownloadOBJ";
new_button.href = "";
new_button.innerHTML = "Download OBJ<br>";
new_buttons = document.createElement("a");
new_buttons.id = "DownloadMTL";
new_buttons.href = "";
new_buttons.innerHTML = "Download MTL<br>";

function xmlst(urls) {
var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
    if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
        var myArr = JSON.parse(xmlhttp.responseText);
        new_button.href = myArr.Url;

            document.getElementsByClassName("container-list profile-avatar")[0].insertBefore(new_buttons,document.getElementsByClassName("container-list profile-avatar")[0].firstChild);
   document.getElementsByClassName("container-list profile-avatar")[0].insertBefore(new_button,document.getElementsByClassName("container-list profile-avatar")[0].firstChild);

    }
}
xmlhttp.open("GET", "http://web.roblox.com/thumbnail/resolve-hash/" + urls, true);
xmlhttp.send();
}
function xmlst2(urls) {
var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
    if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
        var myArr = JSON.parse(xmlhttp.responseText);
        new_buttons.href = myArr.Url;
    }
}
xmlhttp.open("GET", "http://web.roblox.com/thumbnail/resolve-hash/" + urls, true);
xmlhttp.send();
}
function xmlst3(urls,swood,new_buttonss) {
    console.log("XML Stage 3");
var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
    if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
        var myArr = JSON.parse(xmlhttp.responseText);
        new_buttonss[swood].href = myArr.Url;
        console.log(myArr.Url);
        document.getElementsByClassName("container-list profile-avatar")[0].insertBefore(new_buttonss[swood],document.getElementsByClassName("col-sm-6 profile-avatar-left")[0].previousSibling.previousSibling);

         }
}
xmlhttp.open("GET", "http://web.roblox.com/thumbnail/resolve-hash/" + urls, true);
xmlhttp.send();
}
function xmlstwo(urls) {
    console.log("XML Stage 2");
var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
    console.log("XML Stage 2.5" + xmlhttp.readyState + " " + xmlhttp.status)
    if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
        var myArr = JSON.parse(xmlhttp.responseText);
        xmlst(myArr.obj);
        xmlst2(myArr.mtl);
        var new_buttonss = myArr.textures.slice(0);
        console.log("WHY IS THIS NOT WORKING");
        for (i = 0; i < myArr.textures.length; i++) {
            console.log(new_buttonss[i]);
    new_buttonss[i] = document.createElement("a");

    new_buttonss[i].id = "DownloadTex" + i;
    new_buttonss[i].href = "";
    new_buttonss[i].innerHTML = "Download Texture " + (i + 1) + "<br>";
        xmlst3(myArr.textures[i],i,new_buttonss);
        }
    }
}
xmlhttp.open("GET", urls, true);
xmlhttp.send();
}
function xmls(urls) {
    console.log("XML Stage 1");
var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
    if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
        var myArr = JSON.parse(xmlhttp.responseText);
        xmlstwo(myArr.Url);
    }
}
xmlhttp.open("GET", "http://web.roblox.com" + urls, true);
xmlhttp.send();
}
var jsons;
jsons = document.getElementsByClassName("thumbnail-span")[0].getAttribute("data-3d-url");
console.log("XML Stage 0");
xmls(jsons);