var xmlhttp;

function showAgenda(prm,pry,chy,chm,type)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="common/get_agenda_ajax.php";
url=url+"?prm="+prm;
url=url+"&pry="+pry;
url=url+"&chy="+chy;
url=url+"&chm="+chm;
url=url+"&type="+type;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChanged()
{
if (xmlhttp.readyState==4)
{
	if(xmlhttp.status == 200)
	{
		document.getElementById("agenda_ajax").innerHTML=xmlhttp.responseText;
	}else{
		alert("Error: returned status code " + xmlhttp.status + " " + xmlhttp.statusText);
	}
}	
}

function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}