var xmlhttp;

function getTickets(str,id,event_name)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="gettickets.php";
url=url+"?q="+str+"&event_id="+id+"&event_name="+event_name;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChangedTickets;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}


function stateChangedTickets()
{
if (xmlhttp.readyState==4)
{
document.getElementById("ticket_output").innerHTML=xmlhttp.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;
}