function showContents(http_request)
{
if (http_request.readyState == 4)
   {
      if (http_request.status == 200)
	  {
         document.getElementById('useronline').innerHTML = http_request.responseText;
      }
   }
}


function makeRequest()
{
   var http_request = false;

   if (window.XMLHttpRequest)
   {
      http_request = new XMLHttpRequest();
   }
   else if (window.ActiveXObject)
   {
      http_request = new ActiveXObject("Microsoft.XMLHTTP");
   }
   
   http_request.onreadystatechange = function() { showContents(http_request); };
   http_request.open('GET', 'online.php', true);
   http_request.send(null);

}


function after_user_search (http_request)
{
if (http_request.readyState == 4)
   {
      if (http_request.status == 200)
	  {
         document.getElementById('stat').innerHTML = http_request.responseText;
      }
   }
}


function user_search()
{
   var http_request = false;

   if (window.XMLHttpRequest)
   {
      http_request = new XMLHttpRequest();
   }
   else if (window.ActiveXObject)
   {
      http_request = new ActiveXObject("Microsoft.XMLHTTP");
   }
   user=encodeURI(document.getElementById('usersearch').value);
   nocache = Math.random();
   http_request.onreadystatechange = function() { after_user_search(http_request); };
   http_request.open('GET', 'usersearch.php?user='+user+'&nocache='+nocache, true);
   http_request.send(null);
}