diff -urp acquia_marina/theme-settings.php /Applications/MAMP/drupal6/sites/all/themes/acquia_marina/theme-settings.php
--- acquia_marina/theme-settings.php	2008-12-06 10:26:14.000000000 +0100
+++ /Applications/MAMP/drupal6/sites/all/themes/acquia_marina/theme-settings.php	2009-02-09 10:36:05.000000000 +0100
@@ -10,6 +10,24 @@
 *   array A form array.
 */
 function phptemplate_settings($saved_settings) {
+
+  // Only open one of the general or node setting fieldsets at a time
+  $js = <<<SCRIPT
+    $(document).ready(function(){
+      $("fieldset.general_settings > legend > a").click(function(){
+      	if(!$("fieldset.node_settings").hasClass("collapsed")) {
+          Drupal.toggleFieldset($("fieldset.node_settings"));
+      	}
+      });
+      $("fieldset.node_settings > legend > a").click(function(){
+      	if (!$("fieldset.general_settings").hasClass("collapsed")) {
+          Drupal.toggleFieldset($("fieldset.general_settings"));
+      	}
+      });
+    });
+SCRIPT;
+  drupal_add_js($js, 'inline');
+
   // Get the node types
   $node_types = node_get_types('names');
  
@@ -152,8 +170,8 @@ function phptemplate_settings($saved_set
     '#title' => t('General settings'),
     '#collapsible' => TRUE,
     '#collapsed' => FALSE,
-    );
-  
+    '#attributes' => array('class' => 'general_settings'),
+  );
   
   // Mission Statement
   $form['tnt_container']['general_settings']['mission_statement'] = array(
@@ -243,7 +261,8 @@ function phptemplate_settings($saved_set
     '#title' => t('Node settings'),
     '#description' => t('Here you can make adjustments to which information is shown with your content, and how it is displayed.  You can modify these settings so they apply to all content types, or check the "Use content-type specific settings" box to customize them for each content type.  For example, you may want to show the date on stories, but not pages.'),
     '#collapsible' => TRUE,
-    '#collapsed' => FALSE,
+    '#collapsed' => TRUE,
+    '#attributes' => array('class' => 'node_settings'),
   );
   
   // Author & Date Settings