diff -r fb7cd02b9848 -r 561aa6d282f6 web/wp-content/plugins/event-calendar/eventcalendar3.php
--- a/web/wp-content/plugins/event-calendar/eventcalendar3.php	Tue Jan 05 09:59:49 2010 +0000
+++ b/web/wp-content/plugins/event-calendar/eventcalendar3.php	Mon Feb 01 09:51:57 2010 +0000
@@ -34,7 +34,7 @@
 require_once(dirname(__FILE__).'/tz.php');
 
 
-$ec3_today_id=str_replace('_0','_',ec3_strftime("ec3_%Y_%m_%d"));
+$ec3_today_id = str_replace('_0','_',ec3_strftime("ec3_%Y_%m_%d"));
 
 
 /** Read the schedule table for the posts, and add an ec3_schedule array
@@ -508,12 +508,22 @@
       $a=$wp_query->query_vars['ec3_after'];
   else if( !empty($wp_query->query_vars['ec3_from']) )
       $a=$wp_query->query_vars['ec3_from'];
-  $b=$wp_query->query_vars['ec3_before'];
+
+  // clean by sam 
+  if(!empty($wp_query->query_vars['ec3_before'])){
+	  $b=$wp_query->query_vars['ec3_before'];
+  }
+  
+  // clean by sam 
+  if( !empty($a)){
   if( $a=='today' )
-      $a=ec3_strftime('%Y-%m-%d');
+      {$a=ec3_strftime('%Y-%m-%d');}
+	  }
+  // clean by sam 
+  if( !empty($a)){	  
   if( $b=='today' )
-      $b=ec3_strftime('%Y-%m-%d');
-
+      {$b=ec3_strftime('%Y-%m-%d');}
+  }
   $re='/\d\d\d\d[-_]\d?\d[-_]\d?\d/';
   if( !empty($a) && preg_match($re,$a) ||
       !empty($b) && preg_match($re,$b) )