var xmlHttp

function getresponse(str)
{
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
}
var type = document.forms["myForm"].elements["tx_miaajaxtest_pi1[Type]"].value;
var prod = document.forms["myForm"].elements["tx_miaajaxtest_pi1[Products]"].value;
var subc = document.forms["myForm"].elements[2].value;
//var subc = document.forms["myForm"].elements["tx_miaajaxtest_pi1[subcat]"].value;
//var language = document.getElementById('language').value;
var language = document.forms["myForm"].elements[5].value;

//alert(language);

//var type = '82';
//var prod = '*';
//var subc = '*';

var url="index.php?id=172"
//var url = document.getElementById('action').value;
url=url+"&ptype="+type
url=url+"&prod="+prod
url=url+"&subc="+subc
url=url+"&lang="+language
url=url+"&sid="+Math.random()
//var url = 'http://almeco.seesite.be/ajaxtest.htm';
//alert(url);

xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
} 

function stateChanged() 
{
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
//alert(xmlHttp.responseText);

//document.getElementById("log").innerHTML=xmlHttp.responseText;
document.getElementById("log_res").innerHTML=xmlHttp.responseText;
//document.getElementById("subcat").innerHTML='<p>test</p>';
} 
} 

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;
}