var nrr=0;
function AjaxEffect(file,divName,params)
 {
  nrr = nrr + 1;
  var xmlHttp;
  try
    {
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    try
      {
      xmlHttp=new ActiveXObject('Msxml2.XMLHTTP');
      }
    catch (e)
      {
      try
        {
        xmlHttp=new ActiveXObject('Microsoft.XMLHTTP');
        }
      catch (e)
        {
        alert('Your browser does not support AJAX!');
        return false;
        }
      }
    }
    xmlHttp.onreadystatechange=function()
      {
      if(xmlHttp.readyState==4)
        {
			document.getElementById( divName ).innerHTML = xmlHttp.responseText
        }
      }
    xmlHttp.open('POST',file + '?idDiv='+nrr+'&params='+params+'&divName='+divName,true);
    xmlHttp.send(null);
 }