function FindOutPwd()
{
        var username = trim(document.getElementById("regInfo.userName").value);
        if (username=='')
        {
            window.alert ("请输入您的用户名 ！")
            return false;
        }

        var open_url = "/rio/findOutPwd.do?action=findOutPwd&username=" + username;
        location.href=open_url;
}