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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="imagetoolbar" content="no"> <!--ie image gizmo OFF!-->
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<style type="text/css">
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#map {
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width: 800px;
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height: 475px;
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border: 1px solid black;
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}
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</style>
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<!-- gmaps api key for http://openlayers.org/~euzuro -->
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<script src='http://maps.google.com/maps?file=api&v=2&key=ABQIAAAA9XNhd8q0UdwNC7YSO4YZghQELW4Ku31wWCtlZquTlkHLCFh9LBTYvc_eIShlmo0YZwSitw0fQ1ZyXA'></script>
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<script src="../lib/OpenLayers.js"></script>
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<script type="text/javascript">
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<!--
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var lon = 5;
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var lat = 40;
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var zoom = 5;
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var map, layer, glayer;
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OpenLayers.ProxyHost = "/proxy/?url=";
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function init(){
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map = new OpenLayers.Map( $('map') );
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layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
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"http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );
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map.addLayer(layer);
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glayer = new OpenLayers.Layer.Google("goog");
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map.addLayer(glayer);
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layer = new OpenLayers.Layer.WFS( "wfs",
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"http://labs.metacarta.com/search/WFS?",
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{maxfeatures: 1},
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{ featureClass: OpenLayers.Feature.WFS});
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0, 0), 2);
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map.addControl( new OpenLayers.Control.LayerSwitcher() );
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}
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function add() {
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markers2 = new OpenLayers.Layer.Markers("markers2");
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map.addLayer(markers2);
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var icon = new OpenLayers.Icon('http://boston.openguides.org/markers/AQUA.png',new OpenLayers.Size(10,17));
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marker = new OpenLayers.Marker(new OpenLayers.LonLat(2, 41), icon);
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markers.addMarker(marker);
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}
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function remove() {
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markers.removeMarker(marker);
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}
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// -->
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</script>
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</head>
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<body onload="init()">
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<div id="map"></div>
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<div style="background-color:green" onclick="add()"> click to add the marker to the map</div>
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<div style="background-color:red" onclick="remove()"> click to remove the marker from the map</div>
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</body>
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</html>
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