document.getElementById("tournamentSubmit").addEventListener("click", function () {
    var xhttp = new XMLHttpRequest();
    xhttp.onreadystatechange = function () {
        if (this.readyState == 4 && this.status == 200) {
            alert("Dodano turniej");
        } else if (this.readyState == 4) {
            alert("something not work :( " + this.status);
        }
    }
    xhttp.open("PUT", "dragonmaster.pl/inz/tournament");
    xhttp.setRequestHeader("Authorization", "Bearer " + token);
    xhttp.send('{"name":"' + document.getElementById("tournamentName").value + '","typeOfLadder":"' + document.getElementById("ladderType").value + '","pointsForTournament":"' + document.getElementById("tournamentPoints").value + '","places":"' + document.getElementById("tournamentPlace").value + '","roles":"' + document.getElementById("tournamentRole").value + '","ranked":"' + document.getElementById("isRanked").value + '"}');
});