--- /dev/null
+<% content_for :left_menu do %>
+<%= link_to_function t('site.key.map_key'), "showKey();", { :title => t('site.key.map_key_tooltip') } %>
+<% end %>
+
+<script type="text/javascript">
+<!--
+ function showKey() {
+ var zoomlevel = map.getZoom();
+
+ if (zoomlevel<7 ) { var imgname = 'keymapnik6.png'; }
+ else if (zoomlevel<13) { var imgname = 'keymapnik'+zoomlevel+'.png'; }
+ else if (zoomlevel<15) { var imgname = 'keymapnik13.png'; }
+ else { var imgname = 'keymapnik15.png'; }
+
+ updateSidebar("<%= t('site.key.map_key') %>", "<p><img src='images/"+imgname+"' /><\/p>");
+ openSidebar({ width: "210px" });
+ }
+
+ function updateKey() {
+ if (sidebarOpen("<%= t('site.key.map_key') %>"))
+ {
+ showKey();
+ }
+ }
+// -->
+</script>