var qsParm = new Array();
qsParm['firstname'] = '';
qsParm['lastname'] = '';
qsParm['email'] = '';
qsParm['zip'] = '';
qsParm['city'] = '';
qsParm['address'] = '';

function qs() {
var query = window.location.search.substring(1);
var parms = query.split('&');
for (var i=0; i<parms.length; i++) {
   var pos = parms[i].indexOf('=');
   if (pos > 0) {
      var key = parms[i].substring(0,pos);
      var val = unescape(parms[i].substring(pos+1));
      qsParm[key] = val;
      }
   }
}
qs();

function setfields()
{
  var joinform;
 joinform = document.forms['join'];
 if(joinform.email != null);
   joinform.email.value = qsParm['email'];
   
  if(joinform.firstname != null);
   joinform.firstname.value = qsParm['firstname'];
   
  if(joinform.lastname != null);
   joinform.lastname.value = qsParm['lastname'];  
/*
  if(joinform.address != null);
   joinform.address.value = qsParm['address'];  

  if(joinform.city != null);
   joinform.city.value = qsParm['city'];   
 */  
  if(joinform.zip != null);
   joinform.zip.value = qsParm['zip'];
}