ciesin.html
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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style type="text/css">
#map {
width: 512px;
height: 512px;
border: 1px solid black;
}
</style>
<script src="../lib/OpenLayers.js"></script>
<script type="text/javascript">
<!--
function init(){
var map = new OpenLayers.Map('map');
var ol_wms = new OpenLayers.Layer.WMS( "OpenLayers WMS",
"http://labs.metacarta.com/wms/vmap0?", {layers: 'basic'} );
var jpl_wms = new OpenLayers.Layer.WMS( "Population Density 2000",
"http://beta.sedac.ciesin.columbia.edu/mapserver/wms/gpw2000",
{layers: "gpw"});
var cie_wms = new OpenLayers.Layer.WMS( "Human Footprint",
"http://beta.sedac.ciesin.columbia.edu/mapserver/wms/hfoot",
{layers: "hfoot"});
jpl_wms.setVisibility(false);
map.addLayers([ol_wms, jpl_wms, cie_wms]);
map.addControl(new OpenLayers.Control.LayerSwitcher());
// map.setCenter(new OpenLayers.LonLat(0, 0), 0);
map.zoomToMaxExtent();
}
// -->
</script>
</head>
<body onload="init()">
<h1>OpenLayers Example</h1>
<div id="map"></div>
</body>
</html>