gistfile1.txt

<?php

/*
* Plugin Name: Sopa Redirection
* Plugin URI: http://oreilly.com/blackout.html
* Description: Redirect the blog to oreilly blackout page.
* Author: whyisjake, tmoskowite
* Version: 1.0
* Author URI: oreilly.com
*/

function make_sopa_blackout() { 
	if ( ! is_admin()  ) { 
		$current_time = current_time( 'timestamp' );
		$start_time = strtotime( '01/17/2012 8:00' );
		$end_time = strtotime( '01/17/2012 20:00' );
		if( $current_time >= $start_time && $current_time <= $end_time )  {
			 wp_redirect( 'http://oreilly.com/blackout.html', 302 );
			 exit;
		}
	}
}

add_action( 'init', 'make_sopa_blackout' );
?>