PHP Code:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=windows-1250">
<meta name="generator" content="Me and you TagIt!">
<meta name="keyword" content="Me and you TagIt!, tagIt,tag,chat,It,me,and,you,me and, and you, me you, you and, and me,you tag, you tagIt!">
<title></title>
<script type="text/javascript" language="javascript">
function getReq() {
var req = false;
if (window.XMLHttpRequest) { // Mozilla, Safari,...
req = new XMLHttpRequest();
if (req.overrideMimeType) {
// set type accordingly to anticipated content type
//req.overrideMimeType('text/xml');
req.overrideMimeType('text/html');
}
} else if (window.ActiveXObject) { // IE
try {
req = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
req = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
if (!req) {
alert('Cannot create XMLHTTP instance');
return false;
}
return req;
}
function refreshBox() {
var req = getReq();
req.onreadystatechange = function parseResult() {
showContent(req);
}
req.open('get','chat.php?dummy=' + new Date().getTime(),true);
req.send(null);
}
function makePostRequest(parameter) {
var req = getReq();
req.onreadystatechange = function parseResult() {
showContent(req);
}
req.open('post','chat.php?dummy=' + new Date().getTime(),true);
req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
req.setRequestHeader("Content-length", parameter.length);
req.setRequestHeader("Connection", "close");
req.send(parameter); //for POST
}
function showContent(req) {
if (req.readyState == 4 && req.status == 200) {
var contentObj = document.getElementById('chatArea');
contentObj.innerHTML = req.responseText;
contentObj.scrollBottum = contentObj.scrollHeight;
} else {
var contentObj = document.getElementById('chatArea').innerHTML == 'Error when loading chat area. Please try again.'
}
}
function getVar(obj) {
var postStr = '';
document.forms['form_msg'].msg.disabled = true;
for (i=0; i < obj.childNodes.length; i++) {
if (obj.childNodes[i].tagName == "INPUT") {
if (obj.childNodes[i].type == "text") {
postStr += obj.childNodes[i].name + "=" + encodeURI(obj.childNodes[i].value) + "&";
}
if (obj.childNodes[i].type == "checkbox") {
if (obj.childNodes[i].checked) {
postStr += obj.childNodes[i].name + "=" + encodeURI(obj.childNodes[i].value) + "&";
} else {
postStr += obj.childNodes[i].name + "=&";
}
}
if (obj.childNodes[i].type == "radio") {
if (obj.childNodes[i].checked) {
postStr += obj.childNodes[i].name + "=" + encodeURI(obj.childNodes[i].value) + "&";
}
}
}
if (obj.childNodes[i].tagName == "SELECT") {
var sel = obj.childNodes[i];
postStr += sel.name + "=" + encodeURI(sel.options[sel.selectedIndex].value) + "&";
}
}
makePostRequest(postStr);
document.forms['form_msg'].msg.value = '';
document.forms['form_msg'].msg.disabled = false;
}
var mod_loaded = false;
function onload() {
refreshBox();
doRefresh();
}
function doRefresh() {
refreshBox();
refreshTimer = setTimeout('doRefresh();', 800);
clearTimeout(refreshTimer);
}
</script>
</head>
<body onload = 'onload()'>
<div style = 'height: 200px; width: 50%; border: 1px dashed #000; overflow: auto;' id = 'chatArea' name = 'chatArea'></div>
<form action = "javascript:getVar(document.getElementById('form_msg'))" name = 'form_msg' id = 'form_msg' method = 'post'>
name:<input type = 'text' name = 'username' id = 'username' value = ''><br />
msg:<input type = 'text' name = 'msg' id = 'msg' value = ''>
<input type = 'submit' value = 'submit'>
</form>
</body>
</html>
The above is my javascript. I'm doing a chat system, and have no idea where do those leaks come from. Please assist me.
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