The best way then is to go to a host that offers everything and copy your website there. Add the extras for the comments form and then on the old site get them to do url redirecting to the new site....

You said you have 2 rows - one to left and one to right? Shouldnt they be columns? i got lost following all your code... couldnt you just post the part causing the problem so we dont have to wade...

The only way to achieve it when the server is down is to do some fancy dns and hope the updates propogate in time.

If you have a mirror site then dont leave it for times when the other is down. ...