var xmlHttp2

function showSubCategories(str)
{ 
xmlHttp2=GetXmlHttpObject2()
if (xmlHttp2==null)
{
alert ("Browser does not support HTTP Request")
return
}        
var url="http://www.thekitchendirectory.co.uk/includes/getsubcategoriesnav.php"
url=url+"?q="+str
url=url+"&sid="+Math.random()
xmlHttp2.onreadystatechange=stateChanged2
xmlHttp2.open("GET",url,true)
xmlHttp2.send(null)
}

function stateChanged2() 
{ 
if (xmlHttp2.readyState==4 || xmlHttp2.readyState=="complete")
   { 
   document.getElementById("txtHintBox").innerHTML=xmlHttp2.responseText 
   } 
} 

function GetXmlHttpObject2()
{
  var xmlHttp2=null;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp2=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp2=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      xmlHttp2=new ActiveXObject("Microsoft.XMLHTTP");
      }
    }
  return xmlHttp2;
}