removed main menu help

added check so main menu is only displayed when not empty

htdocs/lib/web.php

@@ -363,6 +363,8 @@ EOF;
 
     // ---------- sideblock stuff ----------
     if (get_config('installed')) {
+        $data = site_menu();
+        if (!empty($data)) {
             $smarty->assign('SITEMENU', site_menu());
             $SIDEBLOCKS[] = array(
                 'name'   => 'mainmenu',
@@ -370,6 +372,7 @@ EOF;
                 'data'   => site_menu(),
             );
         }
+    }
 
     if ($USER->is_logged_in() && defined('MENUITEM') && substr(MENUITEM, 0, 11) == 'myportfolio') {
         $SIDEBLOCKS[] = array(

htdocs/theme/default/templates/sideblocks/mainmenu.tpl

-    <h3>{str tag="mainmenu"}{contextualhelp plugintype='core' pluginname='mainmenu' section='mainmenu'}</h3>
+    <h3>{str tag="mainmenu"}</h3>
 
 {if $data}
     <ul id="sitemenu">