var xmlHttp

function showKnownSchool(str, str1, str2)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
}
if (str!="")
{
var url="findschool.php"
url=url+"?state="+str1
url=url+"&region="+str2
//url=url+"&q1="+str1
if (str=='null')
{
	//alert(str);
	str="";	
}
url=url+"&county="+str
//alert (url);
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChangednewschool
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
//document.getElementById("county2").value=str


}
}

function stateChangednewschool() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
   { 
   document.getElementById("f4").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;
}