function GetModels(setfocus)
  {  var xmlHttp2;
  try
    {    // Firefox, Opera 8.0+, Safari 
       xmlHttp2=new XMLHttpRequest();    }
  catch (e)
    {    // Internet Explorer   
     try
      {      xmlHttp2=new ActiveXObject("Msxml2.XMLHTTP");      }
    catch (e)
      {      try
        {        xmlHttp2=new ActiveXObject("Microsoft.XMLHTTP");        }
      catch (e)
        {        alert("Your browser does not support AJAX!");        return false;        }      }    }
   
 xmlHttp2.onreadystatechange=function()
      {
      if(xmlHttp2.readyState==4)
        {
        	document.getElementById("ModelsList").innerHTML=xmlHttp2.responseText;
         	if (setfocus==1) document.quicksearch.Model.focus();
        }
      }
    xmlHttp2.open("GET","/fetchmodels.asp?Make=" + document.quicksearch.Make.value + "&Preselected=" + document.quicksearch.PreselectedModel.value,true);

    xmlHttp2.send(null);  
    }