程序代码：

 <script type="text/javascript">
    if('' != null & '' != '')
    {
        alert("对不起，您的密码错误，正确密码是【"+''+"】，请重新再玩！");
    }
</script>
<script language='javascript'> 

 //document.oncontextmenu=function(){return false;};
</script>
<script language="javascript">
var xmlHttp;
function createXMLHttpRequest(){
    if(window.XMLHttpRequest){
        xmlHttp=new XMLHttpRequest();
    }
    else{
        try{
            xmlHttp=new ActiveXObject("XMsxml2.XMLHTTP");
        }catch(e){
            xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
}
function formSubmit(){
    var subPassword = document.getElementById("password").value;
    //alert(subPassword);
    var url = "showPage.action?password="+subPassword;
    createXMLHttpRequest();
    xmlHttp.onreadystatechange = handleStateChange;
    xmlHttp.open("GET",url,true);
    xmlHttp.send(null);
}
function handleStateChange(){
    if(xmlHttp.readyState == 4){
        if(xmlHttp.status==200){
        showMsg();
        }
    }
}
function showMsg(){
    alert(xmlHttp.responseText);
    var status = xmlHttp.responseXML.getElementsByTagName("status");
    var results = xmlHttp.responseXML.getElementsByTagName("value");
    alert(status.item(0));
   
    window.location.reload();
}
</script>