function OnSucceeded(result, userContext, methodName) {
    switch (methodName) {
        case ('CheckTeamname'):
            if (result !== '') {
                toggleShowHide('errorTeamname', 1);
                $get('errorTeamname').innerHTML = result;
            }
            break;
        case ('CheckLoginname'):
            if (result !== '') {
                toggleShowHide('errorLoginname', 1);
                $get('errorLoginname').innerHTML = result;
            }
            break;
    }
}

function OnFailed(error) {
    // do nothing
}

function checkTeamname(controlId) {
    toggleShowHide('errorTeamname', 0);
    var teamname = $get(controlId).value;
    PageMethods.CheckTeamname(teamname, OnSucceeded, OnFailed);
}

function checkLoginname(controlId) {
    toggleShowHide('errorLoginname', 0);
    var loginname = $get(controlId).value;
    PageMethods.CheckLoginname(loginname, OnSucceeded, OnFailed);
}