Please help me on how can get my map from Geoserver. I want create my country web but I can nott see it in my browser but I can see in Geoserver. Please help me I am very new openlayers and Geoserver.

```
<html>
<head>
  <title>OpenLayers Example</title>
    <script src="http://openlayers.org/api/OpenLayers.js"></script>
    </head>
    <body>
      <div style="width:100%; height:100%" id="map"></div>
      <script defer="defer" type="text/javascript">
        var map = new OpenLayers.Map('map');
       new OpenLayers.Map("map");
        var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS",
        map.addLayers([wms, dm_wms]);
        map.zoomToMaxExtent();
      </script>
</body>
</html>

```