Index: wp-includes/script-loader.php
===================================================================
--- wp-includes/script-loader.php	(revision 13393)
+++ wp-includes/script-loader.php	(working copy)
@@ -278,7 +278,7 @@
 		$scripts->add( 'postbox', "/wp-admin/js/postbox$suffix.js", array('jquery-ui-sortable'), '20091012' );
 		$scripts->add_data( 'postbox', 'group', 1 );
 
-		$scripts->add( 'post', "/wp-admin/js/post$suffix.js", array('suggest', 'wp-lists', 'postbox'), '20100217' );
+		$scripts->add( 'post', "/wp-admin/js/post$suffix.js", array('suggest', 'wp-lists', 'postbox'), '20100224' );
 		$scripts->add_data( 'post', 'group', 1 );
 		$scripts->localize( 'post', 'postL10n', array(
 			'tagsUsed' =>  __('Tags used on this post:'),
Index: wp-admin/js/post.dev.js
===================================================================
--- wp-admin/js/post.dev.js	(revision 13393)
+++ wp-admin/js/post.dev.js	(working copy)
@@ -321,7 +321,7 @@
 			return false;
 		});
 
-		$('#' + taxonomy + 'checklist').children('li.popular-category').add( $('#' + taxonomy + 'checklist-pop').children() ).find(':checkbox').live( 'click', function(){
+		$('#' + taxonomy + 'checklist li.popular-category :checkbox, #' + taxonomy + 'checklist-pop :checkbox').live( 'click', function(){
 			var t = $(this), c = t.is(':checked'), id = t.val();
 			if ( id && t.parents('#taxonomy-'+taxonomy).length )
 				$('#in-' + taxonomy + '-' + id + ', #in-popular-' + taxonomy + '-' + id).attr( 'checked', c );