var xmlhttpCal;

function showCal(str)
{
xmlhttpCal=GetXmlHttpObject();
if (xmlhttpCal==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var urlCal="../events.php";
urlCal=urlCal+"?q="+str;
urlCal=urlCal+"&sid="+Math.random();
xmlhttpCal.onreadystatechange=stateChangedCal;
xmlhttpCal.open("GET",urlCal,true);
xmlhttpCal.send(null);
}

function stateChangedCal()
{
if (xmlhttpCal.readyState==4)
{
document.getElementById("txtCal").innerHTML=xmlhttpCal.responseText;
}
}

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;
}