--- /dev/null
+<% content_for :left_menu do %>
+<%= link_to_function "Map key", "showKey();" %>
+<% end %>
+
+<script type="text/javascript">
+<!--
+ function showKey() {
+ updateSidebar("Map key", "<p><img src='images/keymapnik11.png' /></p>");
+ openSidebar();
+ }
+// -->
+</script>