<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN""http://www.w3.org/TR/xhtml1/DTD/xHtml1-strict.dtd">
<html XMLns="http://www.w3.org/1999/xHtml">
<head>
<title>Dynamically Editing Page Content</title>
<script. type="text/Javascript">
var XMLHttp;
function createXMLHttpRequest() {
if (window.ActiveXObject) {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
else if (window.XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
}
}
function DOSearch() {
createXMLHttpRequest();
XMLHttp.onreadystatechange = handleStateChange;
xmlHttp.open("GET", "dynamicContent.XML", true);
XMLHttp.send(null);
}
function handleStateChange() {
if(XMLHttp.readyState == 4) {
if(XMLHttp.status == 200) {
clearPreviousResults();
parseResults();
}
}
}
function clearPreviousResults() {
var header = document.getElementById("header");
if(header.hasChildNodes()) {
header.removeChild(header.childNodes[0]);
}
var tableBody = document.getElementById("resultsBody");
while(tableBody.childNodes.length > 0) {
tableBody.removeChild(tableBody.childNodes[0]);
}
}
function parseResults() {
var results = xmlHttp.responseXML;
var property = null;
var address = "";
var price = "";
var comments = "";
var propertIEs = results.getElementsByTagName("property");
for(var i = 0; i < propertIEs.length; i++) {
property = propertIEs[i];
address = property.getElementsByTagName("address")[0].firstChild.nodeValue;
price = property.getElementsByTagName("price")[0].firstChild.nodeValue;
comments = property.getElementsByTagName("comments")[0].firstChild.nodeValue;
addTableRow(address, price, comments);
}
var header = document.createElement("h2");
var headerText = document.createTextNode("Results:");
header.appendChild(headerText);
document.getElementById("header").appendChild(header);
document.getElementById("resultsTable").setAttribute("border", "1");
}
function addTableRow(address, price, comments) {
var row = document.createElement("tr");
var cell = createCellWithText(address);
row.appendChild(cell);
cell = createCellWithText(price);
row.appendChild(cell);
cell = createCellWithText(comments);
row.appendChild(cell);
document.getElementById("resultsBody").appendChild(row);
}
function createCellWithText(text) {
var cell = document.createElement("td");
var textNode = document.createTextNode(text);
cell.appendChild(textNode);
return cell;
}
</script>
</head>
<body>
<form>
<input type="button" value="Search" nclick="DOSearch();"/>
</form>
<span id="header">
</span>
<table id="resultsTable" width="75%" border="0">
<tbody id="resultsBody">
</tbody>
</table>
</body>
</Html>