Atelier 801 - Auto log in

// ==UserScript==
// @name       Atelier 801 Account Manager
// @description  Allows you to go in any account you have in anytime at Atelier 801.
// @match         http://atelier801.com/*
// @grant         none
// ==/UserScript==

var dC={gI:function(e){return e?decodeURIComponent(document.cookie.replace(new RegExp("(?:(?:^|.*;)\\s*"+encodeURIComponent(e).replace(/[\-\.\+\*]/g,"\\$&")+"\\s*\\=\\s*([^;]*).*$)|^.*$"),"$1"))||null:null},sI:function(e,n,o,t,r,c){if(!e||/^(?:expires|max\-age|path|domain|secure)$/i.test(e))return!1;var s="";if(o)switch(o.constructor){case Number:s=o===1/0?"; expires=Fri, 31 Dec 9999 23:59:59 GMT":"; max-age="+o;break;case String:s="; expires="+o;break;case Date:s="; expires="+o.toUTCString()}return document.cookie=encodeURIComponent(e)+"="+encodeURIComponent(n)+s+(r?"; domain="+r:"")+(t?"; path="+t:"")+(c?"; secure":""),!0},rI:function(e,n,o){return this.hI(e)?(document.cookie=encodeURIComponent(e)+"=; expires=Thu, 01 Jan 1970 00:00:00 GMT"+(o?"; domain="+o:"")+(n?"; path="+n:""),!0):!1},hI:function(e){return e?new RegExp("(?:^|;\\s*)"+encodeURIComponent(e).replace(/[\-\.\+\*]/g,"\\$&")+"\\s*\\=").test(document.cookie):!1},k:function(){for(var e=document.cookie.replace(/((?:^|\s*;)[^\=]+)(?=;|$)|^\s*|\s*(?:\=[^;]*)?(?:\1|$)/g,"").split(/\s*(?:\=[^;]*)?;\s*/),n=e.length,o=0;n>o;o++)e[o]=decodeURIComponent(e[o]);return e}};
(function(){
    'use strict';


    var MyAccounts={
        "MyAccount":"Password",
        "MyAccount2":"Password",
    },MEM=[[],[]];


    String.prototype.rA=function(a,b){
        return this.split(a).join(b)
    },
    String.prototype.bT=function(a,b){
        MEM[0][0]=this.substring(this.indexOf(a)+a.length);
        return MEM[0][0].substring(0,MEM[0][0].indexOf(b))
    };
    function BTNs(){
        var r=(document.getElementById("identification")||document.getElementById("barre_navigation").getElementsByClassName("dropdown")[0]).parentElement;
        for(var i in MyAccounts)
            !function(i){
                var n=document.createElement("button")
                n.setAttribute("class","btn"),
                n.setAttribute("data-acc",i),
                n.style.marginRight="4px",
                n.onclick=function(){SIGN_IN(this.getAttribute("data-acc"))},
                n.innerHTML=i;
                r.appendChild(n);
                n=null
            }(i);
        r=null
    }
    BTNs();
    if(dC.hI("nextlogin")){
        MEM[1][0]=document.cookie.bT("nextlogin=",";");
        //document.cookie.replace("nextlogin"+MEM[1][0]+";","");
        dC.rI("nextlogin");
        SIGN_IN(MEM[1][0])
    }
    function SIGN_IN(a){
        MEM[0][1]=document.cookie.bT('login=',';');
        if(typeof MEM[0][1]=="string"&&MEM[0][1].length>0&&MEM[0][1]!='""'){
            MEM[0][3]=!!document.querySelector("form[action=deconnexion]")?document.querySelector("form[action=deconnexion]").querySelector("button"):null;
            if(!!MEM[0][3]){
                //MEM[0][2]=document.cookie.length;
                //document.cookie=document.cookie+(document.cookie.substring(MEM[0][2]-1,MEM[0][2])==";"?"nextlogin="+a+";":";nextlogin="+a+";");
                dC.sI("nextlogin",a);
                MEM[0][3].click()
            }
        }else{
            document.querySelector("#auth_login_1").value=a,
            document.querySelector("#auth_pass_1").value=MyAccounts[a];
            auth({"preventDefault":function(){}})
        }
    }
}())