/*****************************************************************
	Some ajax scripts.

*****************************************************************/

function ajaxFunction(url, vars, callbackFunction)
{
  var request = window.XMLHttpRequest ?
      new XMLHttpRequest() :
      new ActiveXObject("MSXML2.XMLHTTP.3.0");
  request.open("POST", url, true);
  request.setRequestHeader("Content-Type",
                           "application/x-www-form-urlencoded"); 
 
  request.onreadystatechange = function()
  {
    if (request.readyState == 4 && request.status == 200)
    {
      if (request.responseText)
      {
          callbackFunction(request.responseText);
      }
    }
  };
  request.send(vars);
}

function changeContent(response) {
	var elem = document.getElementById("included_page");
	if (elem != null) {
		elem.innerHTML = response;
	}
}