var xmlHttp
var loadstatustext='<img src="/images/ajax-loader.gif" width="16" height="16" alt="">'

function ajaxSelect(page_id,filename,displayid,param1,param2)
{ 

	xmlHttp=GetXmlHttpObject();

	if (xmlHttp==null) {
		  alert ("Your browser does not support AJAX!");
		  return;
	  } 

	var url=filename;
	url=url+"?page_id="+page_id;
	url=url+"&sid="+Math.random();	
	if (param1) url=url+"&param1="+param1;	
	if (param2) url=url+"&param2="+param2;

	//document.getElementById(displayid).innerHTML=loadstatustext;

	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	
	
	function stateChanged() {
		if (xmlHttp.readyState==4) {		
			document.getElementById(displayid).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;
}