[OpenLayers-Users] Opacity Kills Map

Fri Jan 18 02:01:22 EST 2008

When i add the opacity to my map it kills it can some one help i dont really
understand the format or what im doing wrong thanks.... chris 

<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <style type="text/css">
        #map {
            width: 70%;
            height: 500px;
            border: 1px solid black;
        }
    </style>
    <script src="../lib/OpenLayers.js"></script>
    <script type="text/javascript">
        var map;
        function init(){
 var bounds = new
OpenLayers.Bounds(-88.55546395,36.1137137,-87.98201304999999,36.5199723);           
 map = new OpenLayers.Map('map', { controls: [] });
		map.addControl(new OpenLayers.Control.PanZoomBar());
            	map.addControl(new OpenLayers.Control.MouseToolbar());

            map.addControl(new
OpenLayers.Control.LayerSwitcher({'div':OpenLayers.Util.getElement('layerswitcher')}));

            var ol_wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", 
                "http://13.0.0.150:8080/geoserver/wms",
                {layers: 'topp:henry'}, {'displayInLayerSwitcher':false} );

            var zone_wms = new OpenLayers.Layer.WMS( "FEMA Flood Zones",

"http://hazards.fema.gov/wmsconnector/wmsconnector/Servlet/flood",
                {layers: "Flood_Hazard_Zones", transparent: "true", format:
"image/png" });
     map.addLayer(zone_wms);

            var dm_wms = new OpenLayers.Layer.WMS( "FEMA DFIRM PANELS",

"http://hazards.fema.gov/wmsconnector/wmsconnector/Servlet/flood",
                {layers: "Panels", transparent: "true", format: "image/png"
});

 var precip = new OpenLayers.Layer.WMS( "Total Storm Precip",

"http://mesonet.agron.iastate.edu/cgi-bin/wms/nexrad/ntp.cgi?",
                {layers: "nexrad_stormtotal_precip", transparent: "true",
format: "image/png" });
{isBaseLayer: false, opacity: 0.5});
map.addLayer(precip);

 var nexrad = new OpenLayers.Layer.WMS( "Nexrad Radar 5min",

"http://mesonet.agron.iastate.edu/cgi-bin/wms/nexrad/n0r.cgi?",
                {layers: "nexrad_base_reflect", transparent: "true", format:
"image/png" });
		{isBaseLayer: false, opacity: 0.5});
map.addLayer(nexrad);

   zone_wms.setVisibility(true);
            dm_wms.setVisibility(true); 

map.addLayers([ol_wms, zone_wms, dm_wms,precip]);
map.setCenter(new OpenLayers.LonLat(-88.328666,36.301788), 11);

        }
    </script>
  </head>
  <body onload="init()">
    <h1>FEMA Flood Map's and Panel Numbers</h1>

    <div id="layerswitcher" style="float:top; width: 20em;"></div>
    <div id="map"></div>
    <div id="docs">
      <p>Info and Desc.</p>
   </div>      
  </body>
</html>

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