diff -urp ./page.tpl.php /Users/chellman/Sites/drupal6/sites/all/themes/zen_ninesixty/page.tpl.php
--- ./page.tpl.php	2009-12-07 20:40:21.000000000 -0600
+++ /Users/chellman/Sites/drupal6/sites/all/themes/zen_ninesixty/page.tpl.php	2010-01-31 16:07:01.000000000 -0600
@@ -12,7 +12,7 @@
   <?php print $scripts; ?>
 </head>
 
-<body class="<?php print $body_classes; ?>">
+<body class="<?php print $classes; ?>">
   <div id="page" class="container-16 clear-block">
 
     <a name="navigation-top" id="navigation-top"></a>
diff -urp ./template.php /Users/chellman/Sites/drupal6/sites/all/themes/zen_ninesixty/template.php
--- ./template.php	2009-12-07 20:40:21.000000000 -0600
+++ /Users/chellman/Sites/drupal6/sites/all/themes/zen_ninesixty/template.php	2010-01-31 15:59:03.000000000 -0600
@@ -108,14 +108,14 @@ function zen_ninesixty_preprocess_page(&
 
   // Classes for body element. Allows advanced theming based on context
   // (home page, node of certain type, etc.)
-  $classes = split(' ', $vars['body_classes']);
+  $classes_array = $vars['classes_array'];
  
 if (theme_get_setting('zen_ninesixty_debug')) {
-    $classes[] = 'show-grid'; // Optionally add the wireframes style.
+    $classes_array[] = 'show-grid'; // Optionally add the wireframes style.
   }
 
-  $vars['body_classes_array'] = $classes;
-  $vars['body_classes'] = implode(' ', $classes); // Concatenate with spaces.
+  $vars['classes_array'] = $classes_array;
+  $vars['classes'] = implode(' ', $classes_array); // Concatenate with spaces.
 
 }
 
