var xmlhttp

function showMake(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  }

var url="updatefilters.asp";
url=url+"?category="+str;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function showModel(str1)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  }

var url="updatefilters.asp";
url=url+"?makeid="+str1;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChanged1;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}


function showPart(str2)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  }

var url="updatefilters.asp";
url=url+"?makeid="+str2;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChanged2;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChanged()
{
if (xmlhttp.readyState==4)
  {
  document.getElementById("makeid").innerHTML=xmlhttp.responseText;
  }
}

function stateChanged1()
{
if (xmlhttp.readyState==4)
  {
  document.getElementById("modelid").innerHTML=xmlhttp.responseText;
  }
}

function stateChanged2()
{
if (xmlhttp.readyState==4)
  {
  document.getElementById("makeid").innerHTML=xmlhttp.responseText;
  }
}


function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}