function createRequestObject(){
var request_;

if (navigator.appName.indexOf("Microsoft")!=-1) {
  request_ = new ActiveXObject("Microsoft.XMLHTTP");
  }
else {
  request_ = new XMLHttpRequest();
}
return request_;
}

var http = createRequestObject();
function getContent(itemCode){
  http.open('post', 'loader.php?id=' + itemCode);
  http.onreadystatechange = handleInfo;
  http.send(null);
}
function handleInfo(){
  if (http.readyState == 4)
  {
  var response = http.responseText;
  document.getElementById('body').innerHTML = response;
  }
}

var r;
var httpPM = createRequestObject();
function refreshPmenu(){
  httpPM.open('post', 'include/pmenu.php');
  httpPM.onreadystatechange = refreshMenu;
  httpPM.send(null);		
  r = setTimeout("refreshPmenu()",30000);
  checkMail();
}

function refreshMenu(){
  if (httpPM.readyState == 4)
  {
  var response = httpPM.responseText;
  document.getElementById('P2menu').innerHTML = response;
  }
}

var httpx = createRequestObject();
function markAsRead(id){
  httpx.open('post', 'include/messages.php?oznacit=1&id='+id);
  httpx.onreadystatechange = handleInfo;
  httpx.send(null);
  document.getElementById('msgbox').innerHTML = "";
  //ShowHide('msgbox');
  refreshPmenu();
}

var httpm = createRequestObject();
function checkMail(){
  httpm.open('post', 'include/messages.php?check=1');
  httpm.onreadystatechange = DownloadMsg;
  httpm.send(null);
}

function DownloadMsg(){
  if (httpm.readyState == 4)
  {
    var response = httpm.responseText;
    document.getElementById('msgbox').innerHTML = response;
    //alert(response);
    //ShowHide('msgbox');
  }
}