function AvaliMode() {
    if(!document.getElementById('id1')) {
        var link = document.createElement('link');
        link.id = 'id1';
        link.rel = 'stylesheet';
        link.href = '/assets/style/avali.css';
        document.head.appendChild(link);
        AvaliSet("true");
    } else {
        document.getElementById("id1").remove();
        AvaliSet("false");
    }
}

function AvaliSet(VarIDD) {
    return new Promise(function (resolve) {
        const xmlhttp = new XMLHttpRequest();
        xmlhttp.onload = function () {
            resolve(xmlhttp.response)
        }
        xmlhttp.open("POST", "/setavali.php");
        xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
        xmlhttp.send('avali=' + VarIDD);
    });
}