How to use the mithril.initControl function in mithril

this.view = function(){
        var runstate = rs("control/runstate");
        var needpasswd = rs("control/password");
        //console.log("runstate: " + (runstate === undefined ? runstate : runstate.runstate));
        if(runstate === undefined){
            return m("h2", "waiting_server ... ");
        } else if (runstate.runstate == null){
            // try clean reboot ...
            rs.clearCache();
            rs("control/runstate"); //reboot detector
            console.log("i'm down");
            return m("h2", "server down");
        } else if (needpasswd != undefined && needpasswd.want_password === true){
            m.initControl = "txtpasswd";
            return m("div",[
                m("h2","password required"),
                m("h3",needpasswd.key_name),
                m("input",{
                    id: "txtpasswd",
                    type:"password",
                    onchange:m.withAttr("value", setPasswd),
                    onkeydown: function(event){
                        if (event.keyCode == 13){
                            setPasswd(this.value);
                            sendPassword(needpasswd);
                        }
                    }
                }),
                m("br"),
                m("input[type=button][value=send password]",{

function checkFocus(){
	if (m.initControl != undefined) {
	    var ctrl = document.getElementById(m.initControl);
	    if (ctrl!= null) {
		    ctrl.focus();
		    m.initControl = undefined;
	    } else {
	        console.log("focus-control '" + m.initControl + "' not found!");
	        m.initControl = undefined;
	    }
	}
}

function load_ui(){
            var m = require("mithril");
            var ui = require("main");
            var main = document.getElementById("main");
            ui.init(main);
            if (m.initControl != undefined) {
                m.initControl.focus();
            }
        }

function checkFocus(){
	if (m.initControl != undefined) {
	    var ctrl = document.getElementById(m.initControl);
	    if (ctrl!= null) {
		    ctrl.focus();
		    m.initControl = undefined;
	    } else {
	        console.log("focus-control '" + m.initControl + "' not found!");
	        m.initControl = undefined;
	    }
	}
}

function checkFocus(){
	if (m.initControl != undefined) {
	    var ctrl = document.getElementById(m.initControl);
	    if (ctrl!= null) {
		    ctrl.focus();
		    m.initControl = undefined;
	    } else {
	        console.log("focus-control '" + m.initControl + "' not found!");
	        m.initControl = undefined;
	    }
	}
}

function load_ui(){
            var m = require("mithril");
            var ui = require("main");
            var main = document.getElementById("main");
            ui.init(main);
            if (m.initControl != undefined) {
                m.initControl.focus();
            }
        }

module.exports = {view: function(){
    m.initControl = "txtname";
    return m("div",
        m("h2","create identity"),
        m("hr"),
        m("h3","name"),
        m("input", {
            type: "text",
            id: "txtname",
            /*
            onkeydown: function(event){
                if (event.keyCode == 13){
                    setPasswd(this.value);
                    sendPassword(needpasswd);
                }
            }
            */
        }),

view: function(){
        var profile = m.route.param("id");
        var state = m.route.param("state");
        var profname = m.route.param("name");
        var hidden = m.route.param("hidden");
        if (state == "wait"){
            return m("div","waiting ...");
        } if (state == "newid"){
            m.initControl = "txtnewname";
            return m("div",[
                m("h2","create login - Step 2 / 2: create location"),
                m("h3","- for new profile "),
                m("hr"),
                m("h2","PGP-profile name:"),
                m("input",{
                    id: "txtnewname",
                    type:"text",
                    onchange:m.withAttr("value", setNewName),
                    onkeydown: function(event){
                        if (event.keyCode == 13){
                            document.getElementById("txtpasswd").focus();
                        }
                    },
                }),
                m("h2","enter password:"),

function step1(){
    m.initControl = "txtInput";
    return [
        m("h3","step 1 / 5: paste retroshare-links:"),
        m("textarea[id=txtInput]", {
            style: {
                height:"100%",
            },
            onkeydown: function(event){
                if (event.keyCode == 13){
                    parseDownloads();
                }
            }
        }),
        m("div.btn2", {
            style:{
                textAlign:"center",
            },