please look at OL Layer's API ,maybe display() function can meet you ogcer v1.0 tile loader developer. -- View this message in context: http://osgeo-org.1560.n6.nabble.com/Show-and-hide-maps-with-a-button-in-OpenLayers-tp5020705p5021770.html Sent from the OpenLayers Users mailing list archive at Nabble.com.