/*
function convertString(){
    stringToSend="";
    
    var frm = document.forms[0];    //convert username and password into a queue
    stringToSend="username="+frm.elements[0].value+"&password="+frm.elements[1].value;
}

function sendData(){
    var url="http://localhost:8080/ntuee_new/test";
    httpRequest("POST",url,true);
}

function initReq(reqType,url,isAsynch){
    request.onreadystatechange=handleResponse;
    request.open(reqType,url,isAsynch);
    request.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");
    request.send(stringToSend);
}

function httpRequest(reqType,url,asynch){
    try {
        request = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
        try {
            request = new ActiveXObject("Microsoft.XMLHTTP");
        } catch (e) {
            try {
                request = new XMLHttpRequest();
            } catch (e) {
                alert("Your browser does not support AJAX, try to update your browser.");
                return false;
            }
        }
    }
    initReq(reqType,url,asynch);
}

function handleResponse(){
    if(request.readyState == 4){
        if(request.status == 200){
            if (window.ActiveXObject) {
                msPopulate();
            }
            else if (window.XMLHttpRequest) {
                nonMSPopulate( );
            }
        } else {
            alert("A problem occurred with communicating between "+"the XMLHttpRequest object and the server program.");
        }
    }  
}

function nonMSPopulate( ) {
    
    xmlDoc = document.implementation.createDocument("","", null);
    var resp = request.responseText;
    var parser = new DOMParser( );
    var dom = parser.parseFromString(resp,"text/xml");
    
    temp = dom.getElementsByTagName("userName");
    var usrName = document.getElementById('username');
    usrName.value=temp[0].childNodes[0].nodeValue;
    
    temp = dom.getElementsByTagName("checkResult");
    var checkResult = document.getElementById('checkResult');
    checkResult.value=temp[0].childNodes[0].nodeValue;

//    temp = dom.getElementsByTagName("role");
//    var role = document.getElementById('role');
//    role.value=temp[0].childNodes[0].nodeValue;
    
    var form = document.getElementById("actionForm");
    if(checkResult.value == "CONFIRM"){
        form.submit();
    }else{
        alert("帳號密碼錯誤！");
        //unlcok button
        unlockSubmit();
    }
    
}

function msPopulate( ) {

    var resp = request.responseText;
    var xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
    xmlDoc.async="false";
    xmlDoc.loadXML(resp);
    nodes=xmlDoc.documentElement.childNodes;

    temp = xmlDoc.getElementsByTagName("userName");
    var usrName = document.getElementById('username');
    usrName.value=temp[0].firstChild.data;

    temp = xmlDoc.getElementsByTagName('checkResult');
    var checkResult = document.getElementById('checkResult');
    checkResult.value=temp[0].firstChild.data;

//    temp = xmlDoc.getElementsByTagName('role');
//    var role = document.getElementById('role');
//    role.value=temp[0].firstChild.data;
    
    var form = document.getElementById("actionForm");
    var user = document.getElementById("username");
    var ps = document.getElementById("password");
    if(checkResult.value == "CONFIRM"){
        form.submit();
    }else{
        alert("帳號密碼錯誤！");
        //unlcok button
        unlockSubmit();
    }
    
}

*/