var req;

  var which;
var id;
var loc;
var go;
go = 0; 



function notsel() {


var townsel;





townsel = document.form2.town.options[document.form2.town.options.selectedIndex].value;
lanselurl = "nboard.asp?town="+ townsel +""

retrieve(lanselurl)


}



  function retrieve(url) {
//alert(url);
  
 // alert ("before deciding browser");
 // req=null
// code for Mozilla, etc.
if (window.XMLHttpRequest)
  {
  req=new XMLHttpRequest();
 // alert (" browser is mozilla");
  }
// code for IE
else if (window.ActiveXObject)
  {
  req = new ActiveXObject("Microsoft.XMLHTTP");  
 // alert (" browser is I.E");
 }

  
     

  //alert(document.form1.season.selectedIndex);
  
loc = url 
 
 req.onreadystatechange = pChange;

        req.open("GET", url, true);
 
        req.send(null);
   

    

  }

 

  function pChange() {
  //alert("im in the pchange");
  
  if (req.readyState == 1) { 
  parent.document.getElementById('main').innerHTML = "<center><table width=100% border=0 align=center valign=middle><tr><td height=300><center><img src='main_files/ajax-loader.gif'>... Loading ... this could take a few mins !</td></tr></table></center>";
}
   if (req.readyState == 4) { // Complete

      if (req.status == 200) { // OK response


    parent.document.getElementById('main').innerHTML = req.responseText ; 

      } else {
alert ( " timed out");
           }

    }

  }