function scheck(code)
{
   var request = false;
   try {
     request = new XMLHttpRequest();
   } catch (trymicrosoft) {
     try {
       request = new ActiveXObject("Msxml2.XMLHTTP");
     } catch (othermicrosoft) {
       try {
         request = new ActiveXObject("Microsoft.XMLHTTP");
       } catch (failed) {
         request = false;
       }  
     }
   }

   if (!request)
     alert("Could not verify a school code.");

   var url = "/dnn/som/scheck.aspx?code=" + escape(code);
   request.open("GET", url, false);
   request.send(null);
   eval(request.responseText);
}