switch(location.host){

case 'dnpond.com':
location.href="http://dnpond.com/dn_index.php"
break;

case 'www.dnpond.com':
location.href="http://www.dnpond.com/dn_index.php"
break;

case 'bmbar.net':
location.href="http://bmbar.net/bm_index.php"
break;

case 'www.bmbar.net':
location.href="http://www.bmbar.net/bm_index.php"
break;

case 'dnpond.com:81':
location.href="http://dnpond.com/dn_index.php"
break;

case 'www.dnpond.com:81':
location.href="http://www.dnpond.com/dn_index.php"
break;

case 'bmbar.net:81':
location.href="http://bmbar.net/bm_index.php"
break;

case 'www.bmbar.net:81':
location.href="http://www.bmbar.net/bm_index.php"
break;
}