var xmlHttp

function showForm()
{ 
   document.getElementById("pageText").innerHTML="<div id=\"w_wait\"><span class=\"K_kontL\"><b>Stránka sa aktualizuje ...</b></span></div>"           
   var url="lib/forum/formAdd.php"
   
   xmlHttp=GetXmlHttpObject();
   if (xmlHttp==null)
   {
     alert ("Your browser does not support AJAX!");
     return;
   }   
   xmlHttp.onreadystatechange=stateChanged;      
   
   xmlHttp.open("GET", url , true)
   xmlHttp.send(null)
} 

function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
   { 
   document.getElementById("pageText").innerHTML=xmlHttp.responseText; 
   } 
} 

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}