function myupdates_switchpage(pageid) {
  if(document.getElementById('header_selected_subtab').innerHTML == pageid) {
    document.getElementById('myupdates_div').style.display = 'none';
    alltabsid = document.getElementsByName('myupdates_tabs');
    for(var i=0; i<alltabsid.length; i++) {
      alltabsid[i].style.backgroundColor = "#CCCCCC";
    }
    document.getElementById('header_selected_subtab').innerHTML = '';
  }else{
    document.getElementById('myupdates_div').innerHTML = "<img src='/Sources/images/waiting/wait1.gif' alt='Please Wait...' style='height:30px; width:30px'>";
    document.getElementById('myupdates_div').style.display = 'block';
    document.getElementById('header_selected_subtab').innerHTML = pageid;

    xmlhttp=GetXmlHttpObject();
         if (xmlhttp==null) {
            alert ("Browser does not support HTTP Request");
            return;
         }
         var params="pageid="+pageid;
         xmlhttp.onreadystatechange= function() {
           if(xmlhttp.readyState==4) {
             document.getElementById('myupdates_div').innerHTML = xmlhttp.responseText;
           }
         }
         xmlhttp.open("POST","/Sources/Jp/Jmyupdates.php?sid="+Math.random(),true);
         xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
         xmlhttp.setRequestHeader("Content-length", params.length);
         xmlhttp.setRequestHeader("Connection", "close");
         xmlhttp.send(params);

  }
}