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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: 512px;
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height: 512px;
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border: 1px solid black;
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}
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</style>
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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 map, layer;
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var size, icon;
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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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var markers = new OpenLayers.Layer.Markers( "Markers" );
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map.addLayer(markers);
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size = new OpenLayers.Size(50,50);
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calculateOffset = function(size) {
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return new OpenLayers.Pixel(-(size.w/2), -size.h); };
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icon = new OpenLayers.Icon(
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'http://boston.openguides.org/markers/AQUA.png',
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size, null, calculateOffset);
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markers.addMarker(
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new OpenLayers.Marker(new OpenLayers.LonLat(-180,90), icon));
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map.addControl(new OpenLayers.Control.LayerSwitcher());
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map.zoomToMaxExtent();
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}
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function resize() {
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size = new OpenLayers.Size(size.w + 10, size.h + 10);
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icon.setSize(size);
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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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<h1>OpenLayers Example</h1>
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<div id="map"></div>
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<div style="background-color:purple" onclick="resize()"> click to resize marker</div>
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</body>
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</html>
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