function replace(str, from, to) {
  var i = str.indexOf(from);
  if (!from || !str || i == -1) return str;
  var newstr = str.substring(0, i) + to;
  if (i+from.length < str.length)
  newstr += replace(str.substring(i+from.length,str.length),from,to);
  return newstr;
};


if(top.document.referrer) {

  var rq=top.document.referrer;
  var lastQuery='';
  
  rq=rq.split('?');

  if (rq.length > 1) {
  
  rq=rq[1];
  rq=rq.split('&');
  
    for (var i=0; i<rq.length; i++) {
      var thisQ=rq[i].split('=');
       if      (thisQ[0]=="q"||thisQ[0]=="p"||thisQ[0]=="query"||thisQ[0]=="qkw"||thisQ[0]=="Keywords"||thisQ[0]=="ask") {
         lastQuery = replace(thisQ[1],'+',' ');
       }
    }
      
   var ref = escape(document.referrer);
   var pag = document.location;
    document.writeln("<IMG name=\"footer\" style=\"visibility:hidden; position:absolute; display:none;\" width=\"1\" height=\"1\" src=\"/cgi-bin/jmail.pl?subject="+lastQuery+"&searchTerm="+lastQuery+"&searchUrl="+ref+"&entryPage="+pag+"&siteID=CR-RAI&email=colin@rainsforth.com\">");
   }
   
};