<% if params['lon'] and params['lat'] %>
<% lon = params['lon'] %>
<% lat = params['lat'] %>
-<% zoom = params['zoom'] || '4' %>
+<% zoom = params['zoom'] || '5' %>
<% elsif params['mlon'] and params['mlat'] %>
<% lon = params['mlon'] %>
<% lat = params['mlat'] %>
<% else %>
<% lon = '-0.1' %>
<% lat = '51.5' %>
-<% zoom = params['zoom'] || '4' %>
+<% zoom = params['zoom'] || '5' %>
<% end %>
<script type="text/javascript" src="/openlayers/OpenLayers.js"></script>