--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Includes/Nav.inc.php	Sun Dec 03 22:32:13 2006 +0100
@@ -0,0 +1,86 @@
+  <!-- Nav -->
+  <ul id="nav">
+
+<?php
+    // build nav tree
+    echo '    '. navtree(0) ."\n";
+
+
+    // find unmatched nodes (orphans)
+    $sql = sprintf("
+      select distinct
+        idParent
+      from %sOwls 
+      where 
+        idParent not in (select id from %sOwls) 
+        and idParent != 0    -- not the real root
+--        and idParent != id   -- avoid endless recursion
+      order by name asc
+      ",
+      DB_PREFIX,
+      DB_PREFIX
+    );
+    $result = mysql_query($sql) or die(mysql_error());
+    unset($sql);
+
+    // output only if there are orphans
+    if (mysql_num_rows($result)) {
+      echo '    <li id="orphans">orphans<ul>';
+      // output subtree for every orphan
+      while($row = mysql_fetch_array($result)) {
+        echo navtree($row['idParent']);
+      }
+      unset($row);
+      mysql_free_result($result);
+
+      echo '</ul></li>';
+    }
+?>
+
+    <li id="login">
+<?php
+      if ($lsys->loggedIn()) {
+        echo '    <a href="'. $_GET['id'] .'logout" style="color: #c00;">logout</a>';
+      } else {
+?>
+      <form name="loginform" action="<?php echo $_GET['id']; ?>login" method="post" enctype="multipart/form-data">
+        <input name="login_loginname" type="text" />
+        <input name="login_password" type="password" />
+        <input name="login" type="submit" value="login" style="padding: 0; cursor: pointer;" />
+      </form>
+<?php
+      }
+?>
+    </li>
+
+  </ul>
+
+<?php
+
+    function navtree($root) {
+      // fetch subcategories
+      $result = mysql_query("select * from ". DB_PREFIX ."Owls where idParent = $root order by name asc");
+
+      $return = '';
+      while($row = mysql_fetch_array($result)) {
+        $return .= '<li><a href="'. $row['id'] .'"'. (($_GET['id'] == $row['id']) ? ' id="selected"' : '') .'>'. $row['name'] .'</a>';
+        if ($row['id'] != $row['idParent']) {
+          $subtree = navtree($row['id']);
+          if (!empty($subtree)) {
+            $return .= '&nbsp;&nbsp;<a href="javascript:toggleVisibility(\''. $row[id] .'\')" id="ctrl'. $row['id'] .'" style="display: none;">-</a>';
+            $return .= '<ul id="node'. $row['id'] .'">'. $subtree .'</ul>';
+          }
+          unset($subtree);
+        }
+        $return .= '</li>';
+      }
+      unset($row);
+      mysql_free_result($result);
+
+      // return
+      return $return;
+    }
+
+?>
+
+  <!-- Content -->