[OpenLayers-Users] how to know if there is some feature inside a OpenLayers.Layer.GML

I get errors when in call to my server for features for some box where has no items to show. link = "getmap.php?Id=196439bbox=1.120605,60.489704,17.95166,64.158531" gml_new = new OpenLayers.Layer.GML("ZONE", link, {format: OpenLayers.Format.GeoJSON, projection: map.displayProjection,

[OpenLayers-Users] put a message inside map for some zoom levels

Hi, We would like to put a message inside the map when is not possible to show tiles and user has to zoom in to watch them. Is a message at top right with a red background only to show when zoom is more far than 8th level. I saw this in googlemaps but i don't know how to do it in

[OpenLayers-Users] Message inside map in some zoom levels

Hi, We would like to do someting like shown in the image below. Put a message inside the map when is not possible to show tiles and user has to zoom in to watch. Is a message at top right with a red background only to show when zoom is more far than 8th level. Thank you

[OpenLayers-Users] Message inside map in some zoom levels

Hi, We would like to put a message inside the map when is not possible to show tiles and user has to zoom in to watch them. Is a message at top right with a red background only to show when zoom is more far than 8th level. I saw this in googlemaps but i don't know how to do it in