var xmlHttp
function ShowImg(imgid,imgfiles,co)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  }
var url;
document.slideshow.src = "images/ajax-loader.gif";
url = "includes/loadimg.php?id=" + imgid + "&imgfiles=" + imgfiles+ "&co=" + co;
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{
	var xmlDoc = xmlHttp.responseXML.documentElement;
	document.slideshow.src = xmlDoc.getElementsByTagName("imagelarge")[0].childNodes[0].nodeValue;
	document.getElementById("imgtitle").innerHTML = xmlDoc.getElementsByTagName("imagetitle")[0].childNodes[0].nodeValue;
}
}

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;
}