http://www.javascriptkit.com/howto/htaccess10.shtml
http://www.javascriptkit.com/howto/htaccess11.shtml
Those two articles should explain well what you want to do.
Unsuspended.
Something on your site is using too much of the server's CPU and/or memory.
This is often caused by modifications you have installed to the script you are using.
Stoli's apache is currently offline.
It may be that Google Web Accelerator is giving you a cached version of the page. Try disabling it and seeing if your site works then.