function countySearch(searchTerm)
{
var xmlHttp;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    try
      {
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
    catch (e)
      {
      alert("Your browser does not support AJAX!");
      return false;
      }
    }
  }
  xmlHttp.onreadystatechange=function()
    {
    if(xmlHttp.readyState==4)
      {
		eval(xmlHttp.responseText);
		if(mydata[0]=='') {
			alert('We are sorry but there are no agents for the following county: '+searchTerm);
		} else {
			document.location.href=mydata[0];
		}
      }
    }
  xmlHttp.open("GET","/find_county.php?searchTerm="+searchTerm,true);
  xmlHttp.send(null);
}