Index: modules/project/project.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/project/project.module,v
retrieving revision 1.239.2.19
diff -u -p -r1.239.2.19 project.module
--- modules/project/project.module	12 Dec 2006 16:42:56 -0000	1.239.2.19
+++ modules/project/project.module	19 Dec 2006 00:26:03 -0000
@@ -430,22 +430,11 @@ function project_page_overview($termname
   project_project_set_breadcrumb();
   $sort_methods = module_invoke_all('project_sort_methods', 'methods');
 
-  // Read in requested version, if any.
-  if ($_POST['edit']['rid']) {
-    $version = $_POST['edit']['rid'];
-  }
-  else if ($_SESSION['project_version']) {
-    $version = $_SESSION['project_version'];
-  }
-  else {
-    $version = variable_get('project_release_overview', -1);
-  }
-  $form = project_version_filter_form($version);
-  $version_form = drupal_get_form('project_version_filter_form', $form);
-  if ($_POST['edit']['rid']) {
-    $_SESSION['project_version'] = $form_values['rid'];
-  }
   if (variable_get('project_browse_releases', 0)) {
+    // Read in requested version, if any.
+    $version = isset($_SESSION['project_version']) ? $_SESSION['project_version'] : variable_get('project_release_overview', -1);
+    $form = project_version_filter_form($version);
+    $version_form = drupal_get_form('project_version_filter_form', $form);
     $output .= $version_form;
   }
 
@@ -855,6 +844,9 @@ function project_projects_select_options
 }
 
 function project_version_filter_form($version) {
+  if (is_null($version)) {
+    $version = isset($_SESSION['project_version']) ? $_SESSION['project_version'] : variable_get('project_release_overview', -1);
+  }
   $releases = array(-1 => t('<all>')) + project_releases_list();
   $form['rid'] = array(
     '#type' => 'select',
@@ -862,12 +854,18 @@ function project_version_filter_form($ve
     '#options' => $releases
   );
   $form['submit'] = array(
-    '#type' => 'button',
+    '#type' => 'submit',
     '#value' => t('Go')
   );
   return $form;
 }
 
+function project_version_filter_form_submit($form_id, $form_values) {
+  if (isset($form_values['rid'])) {
+    $_SESSION['project_version'] = $form_values['rid'];
+  }
+}
+
 function theme_project_version_filter_form($form) {
   $output = '<div class="container-inline">' . t('Filter by version:') . form_render($form) . '</div>';
   return $output;