unless ($zoom =~ m/^\d+$/) { $zoom = -1; }
if (($zoom < 0) || ($zoom > 30)) { $lat = -1; }
}
if (defined(param('layers'))) {
# Mapping for Openlayers Permalinks
my @layerlist = ('osmde', 'osmorg', 'osmorglowzoom', 'luftbilderl');
unless ($zoom =~ m/^\d+$/) { $zoom = -1; }
if (($zoom < 0) || ($zoom > 30)) { $lat = -1; }
}
if (defined(param('layers'))) {
# Mapping for Openlayers Permalinks
my @layerlist = ('osmde', 'osmorg', 'osmorglowzoom', 'luftbilderl');