function get_web(web)
{

xmlHttp=GetXmlHttpObject()

if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request");
 return;
 } 
document.getElementById("large_centre_content");
var url="/web-design/details.php";
url=url+"?web="+web;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=webChanged ;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);


function webChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 	document.getElementById("large_centre_content"). 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;
}