function lsSubmit(op) {
    var op = !op ? 0 : op;
    if(op) {
        $('lsform').cookietime.value = 2592000;
    }
    if($('ls_username').value == '' || $('ls_password').value == '') {
        showWindow('login', 'member.php?mod=logging&action=login' + (op ? '&cookietime=1' : ''));
    } else {
        ajaxpost('lsform', 'return_ls', 'return_ls');
    }
    return false;
}

function errorhandle_ls(str, param) {
    if(!param['type']) {
        showError(str);
    }
}