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</o:shapelayout></xml><![endif]--></head><body lang=CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello list,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I would like to show an overlay, only when baselayer is aerial photo, not over baselayer topographic map. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My code:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>map.events.register("changebaselayer", map, function(){<o:p></o:p></p><p class=MsoNormal> var tpnorto = map.getLayersByName("topoorto")[0];<o:p></o:p></p><p class=MsoNormal> if(map.baseLayer.name == 'Topographic'){<o:p></o:p></p><p class=MsoNormal> tpnorto.visibility = "false";<o:p></o:p></p><p class=MsoNormal> }else tpnorto.visibility = "true";<o:p></o:p></p><p class=MsoNormal>});<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I get visibility change ok, but checkbox next to overlay name (in layerswitcher) are not showned and I wold like to check and uncheck this layer to allow user to try if overlay is visible or not when they select aerial map.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any suggestion?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank’s in advance.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#0D0D0D'>Antoni Vidal</span></b><span style='color:#0D0D0D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray'>Unitat d'Aplicacions SIG-WEB<br><a href="http://mercuri.icc.cat/website/mob_nf/mob1/mob2/inici2.htm?CONSULTA=Institut%20Cartogr%25E0fic%20de%20Catalunya&XYADDRESS=429486:4580392"><span style='color:gray'>Institut Cartogrāfic de Catalunya</span></a><br>Parc de Montjuīc, E-08038 Barcelona<br>Tel. (+34) 93 567 15 00 (ext. 3228)<br><a href="http://www.icc.cat/"><span style='color:blue'>www.icc.cat</span></a></span><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>