var gmarkers = [];
var map;
var html_str;

function createMarker( name, point, image, html ) {
    var icon = new GIcon();
    icon.image = image;
    icon.iconSize = new GSize(29,29);
    icon.iconAnchor = new GPoint(15,15);
    marker = new GMarker(point, icon);
    marker.value = new String(name);
    GEvent.addListener(marker, "click", function() {
      map.openInfoWindowHtml(point, html);
    });
    map.addOverlay(marker);
    gmarkers.push(marker);
    html_str += '<a href="javascript:myclick('+(gmarkers.length-1)+')">'+name+'<\/a> ';
}

function initialize() {

  if (GBrowserIsCompatible()) {
    html_str = "";

    map = new GMap2(document.getElementById("map_canvas"));
    map.setCenter(new GLatLng(50.6009, -2.4450), 14);

    var mapTypeControl = new GMapTypeControl();
    var topRight = new GControlPosition(G_ANCHOR_TOP_RIGHT, new GSize(10,10));
    map.addControl(mapTypeControl, topRight);
    map.addControl(new GSmallMapControl());

    createMarker( "Castle Cove Sailing Club", new GLatLng(50.5932, -2.4654), "/images/clubs/CCSC-tiny.gif", "<a href='http://www.ccsc.org.uk/> Castle Cove Sailing Club </a> <br/>is at the end of <br/> Old Castle Road overlooking <br/> Portland Harbour <br/>01305 783708" );
    createMarker( "Royal Dorset Yacht Club", new GLatLng(50.6074, -2.4525), "/images/clubs/RDYC-tiny.gif", "<a href='http://www.royal-dorset.com/> Royal Dorset Yacht Club </a> <br/>is on the north side of the harbour <br/> above Rob Perry Marine <br/>01305 786258" );
    createMarker( "Weymouth Sailing Club", new GLatLng(50.6074, -2.4497), "/images/clubs/WSC-tiny.png", "<a href='http://www.wsc.org.uk/> Weymouth Sailing Club </a> <br/> is next to the RNLI on the <br/> south side of the harbour <br/>01305 785481" );

    document.getElementById("map_links").innerHTML = html_str;

    html_str = "<h2>Sponsors</h2>";

    createMarker( "Henri Lloyd", new GLatLng(50.6092, -2.4540), "/images/sponsors/HL-tiny.jpg", "<a href='http://www.henrilloyd.com/> Henri Lloyd </a> <br/> 30 St. Mary St., Weymouth <br/>01305 776777" );
    html_str += "<br/>";
    createMarker( "Bussells Chandlers", new GLatLng(50.6060, -2.4521), "/images/sponsors/Bussells-tiny.jpg", "<a href='http://www.bussells.co.uk/> Bussells Chandlers </a> <br/> 30 Hope St., Weymouth <br/>01305 785633" );
    html_str += "<br/>";
    createMarker( "Barford Sails", new GLatLng(50.6069, -2.4514), "/images/sponsors/Barford-tiny.jpg", "<a href='http://www.BarfordSails.co.uk/> Barford Sails </a> <br/> 11 Nothe Parade, Weymouth <br/>01305 768282" );
    html_str += "<br/>";
    createMarker( "Portland Marina", new GLatLng(50.5699, -2.4506), "/images/sponsors/PortlandMarina-tiny.jpg", "<a href='http://www.deanreddyhoff.co.uk/portland/> Portland Marina </a> <br/> Osprey Quay, <br/> Portland, DT5 1DX <br/>08454 302012" );
    html_str += "<br/>";
    createMarker( "Portland Harbour", new GLatLng(50.5689, -2.4393), "/images/sponsors/PortlandHA-tiny.jpg", "<a href='http://www.portland-port.co.uk/> Portland Harbour Authority </a> <br/> Castletown, <br/> Portland, DT5 1PP <br/>01305 824044" );
    html_str += "<br/>";
    createMarker( "Rob Perry Marine", new GLatLng(50.6074, -2.4525), "/images/sponsors/RobPerry-tiny.jpg", "<a href='http://www.robperrymarine.co.uk/> Rob Perry Marine </a> <br/> Custom House Quay, <br/> Weymouth, DT4 8BG <br/>01305 789233" );
    html_str += "<br/>";
    createMarker( "Palmers Brewery", new GLatLng(50.7262, -2.7591), "/images/sponsors/Palmers-tiny.jpg", "<a href='http://www.palmersbrewery.com/> Palmers Brewery </a> <br/> Bridport, DT6 4JA <br/>01308 422396" );
    html_str += "<br/>";
    createMarker( "Dream Cottages", new GLatLng(50.6055, -2.4520), "/images/sponsors/DreamCottages-tiny.jpg", "<a href='http://www.dream-cottages.co.uk/> Dream Cottages </a> <br/> 5 Hope Square, <br/> Weymouth, DT4 8TR <br/>01305 789000" );
    html_str += "<br/>";
    createMarker( "PA Decorating Group", new GLatLng(50.6461, -2.3846), "/images/sponsors/PADecorators-tiny.jpg", "<a href='http://www.padecorating.com/> PA Decorating Group </a> <br/> 2 Grove Hill, Osmington, <br/> Weymouth, DT3 6EZ <br/>01305 836336" );
    html_str += "<br/>";
    createMarker( "Dorset Cereals", new GLatLng(50.7151, -2.4661), "/images/sponsors/DorsetCereals-tiny.jpg", "<a href='http://www.dorsetcereals.co.uk/> Dorset Cereals </a> <br/> Perverell Ave E, Poundbury, <br/> Dorchester, DT1 <br/>01305 751000" );
    html_str += "<br/>";

    document.getElementById("map_sponsors").innerHTML = html_str;
  }
}

function myclick(i) {
  GEvent.trigger(gmarkers[i], "click");
}