function func_checkLogin()
{

    var username = func_getID('username');
    var password = func_getID('passwd');

    if(username.value == '')
    {
        alert('请输入用户名！');
        username.focus();
        return false;
    }
    
    if(password.value == '')
    {
        alert('请输入密码！');
        password.focus();
        return false;
    }
    
    return true;
    
}