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<script type="text/javascript">
function load(file,container)
       {
var xmlhttp, newhash = '';

if (window.XMLHttpRequest){  xmlhttp=new XMLHttpRequest();}
if (window.ActiveXObject) {  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");}

xmlhttp.onreadystatechange= function (){
      if(xmlhttp.readyState==4 && xmlhttp.status==200)
      {  document.getElementById(container).innerHTML=xmlhttp.responseText;
    } else {
        document.getElementById(container).innerHTML='<div style="padding:10px">       <p>Please upgrade your web browser to support modern technology.</p></div>';
        }
    }
xmlhttp.open("GET",file,true);
xmlhttp.send(null);
}
</script>
<script type="text/javascript" src="jquery.js"></script>
<ul>
<li><a href="#" onclick="load('home.php','ajax');return false;">Home</a><li/>
</ul>
       <div id="ajax">


</div>

<a href="#home" onclick="load('home.php','ajax');">Home</a>

<body onload="loadHash();">

<script>
function loadHash() {
    var hash = window.location.href.split('#');
    if(hash.length == 2) {
        load(hash[1] + '.php','ajax');
    }
}
</script>