function initialize() {

    var mapOptions = {
        zoom: 11,
        center: new google.maps.LatLng(54.59673227, -5.92712402),
        mapTypeId: google.maps.MapTypeId.ROADMAP,
        scrollwheel: false
    };

    map = new google.maps.Map(document.getElementById('map_canvas'), mapOptions);

    var markers = [];
    

         
            // Plot Properties  
            var infoWindow = new google.maps.InfoWindow({
                maxWidth: 300
            });
    
            var onMarkerClick = function() {
                var marker = this;
                var latLng = marker.getPosition();
                infoWindow.setContent('<ul class="mappop">'+
                '<li>'+
                  '<a href="/property/north-circular-road/TRLTRL81199/46-north-circular-road/" class="tr-a">'+
                    '<div class="img">'+
                      '<img src="https://www.templetonrobinson.com/images/property/174/TRLTRL81199/TRLTRL81199-1-sm.jpg" alt="46 North Circular Road">'+
                    '</div>'+
                    '<ul>'+
                      '<li><span><img src="/icons/bed.png" alt="bedrooms"></span>6</li>'+
                      '<li><span><img src="/icons/sofa.png" alt="receptions"></span>2</li>'+
                      '<li><span><img src="/icons/house.png" alt="style"></span>Detached</li>'+
                    '</ul>'+
                    '<div class="info">'+
                      '<h3>46 North Circular Road</h3>'+
                        '<span class="post">Belfast, BT15 5HD</span>'+
                        '<span class="price">'+
                            '<span class="status">For Sale</span>'+ 
                            '<span class="price2">&pound;499,950</span>'+
                        '</span>'+
                    '</div>'+
                  '</a>'+
                '</li>'+
              '</ul>');
                infoWindow.open(map, marker);  
            };
        
            google.maps.event.addListener(map, 'click', function() {
              infoWindow.close();
            });
    
            var markerimg ='/images/marker-new.png';
        
            var markerTRLTRL81199 = new google.maps.Marker({
                map: map,
                icon: markerimg,
                position: new google.maps.LatLng(54.6341546, -5.9461882)
            });
    
            google.maps.event.addListener(markerTRLTRL81199, 'click', onMarkerClick);
    
            markers.push(markerTRLTRL81199);
     
        

         
            // Plot Properties  
            var infoWindow = new google.maps.InfoWindow({
                maxWidth: 300
            });
    
            var onMarkerClick = function() {
                var marker = this;
                var latLng = marker.getPosition();
                infoWindow.setContent('<ul class="mappop">'+
                '<li>'+
                  '<a href="/property/jordanstown/TRLTRL96265/6-lismara-court/" class="tr-a">'+
                    '<div class="img">'+
                      '<img src="https://www.templetonrobinson.com/images/property/174/TRLTRL96265/TRLTRL96265-1-sm.jpg" alt="6 Lismara Court">'+
                    '</div>'+
                    '<ul>'+
                      '<li><span><img src="/icons/bed.png" alt="bedrooms"></span>5</li>'+
                      '<li><span><img src="/icons/sofa.png" alt="receptions"></span>3</li>'+
                      '<li><span><img src="/icons/house.png" alt="style"></span>Detached</li>'+
                    '</ul>'+
                    '<div class="info">'+
                      '<h3>6 Lismara Court</h3>'+
                        '<span class="post">NEWTOWNABBEY, BT37 9SW</span>'+
                        '<span class="price">'+
                            '<span class="status">For Sale</span>'+ 
                            '<span class="price2">&pound;595,000</span>'+
                        '</span>'+
                    '</div>'+
                  '</a>'+
                '</li>'+
              '</ul>');
                infoWindow.open(map, marker);  
            };
        
            google.maps.event.addListener(map, 'click', function() {
              infoWindow.close();
            });
    
            var markerimg ='/images/marker-new.png';
        
            var markerTRLTRL96265 = new google.maps.Marker({
                map: map,
                icon: markerimg,
                position: new google.maps.LatLng(54.6658367, -5.903825)
            });
    
            google.maps.event.addListener(markerTRLTRL96265, 'click', onMarkerClick);
    
            markers.push(markerTRLTRL96265);
     
        

         
            // Plot Properties  
            var infoWindow = new google.maps.InfoWindow({
                maxWidth: 300
            });
    
            var onMarkerClick = function() {
                var marker = this;
                var latLng = marker.getPosition();
                infoWindow.setContent('<ul class="mappop">'+
                '<li>'+
                  '<a href="/property/glenavy/TRLISTRLIS69525/10-crewe-park-road/" class="tr-a">'+
                    '<div class="img">'+
                      '<img src="https://www.templetonrobinson.com/images/property/7883/TRLISTRLIS69525/TRLISTRLIS69525-1-sm.jpg" alt="10 Crewe Park Road">'+
                    '</div>'+
                    '<ul>'+
                      '<li><span><img src="/icons/bed.png" alt="bedrooms"></span>4</li>'+
                      '<li><span><img src="/icons/sofa.png" alt="receptions"></span>1</li>'+
                      '<li><span><img src="/icons/house.png" alt="style"></span>Detached Bungalow</li>'+
                    '</ul>'+
                    '<div class="info">'+
                      '<h3>10 Crewe Park Road</h3>'+
                        '<span class="post">CRUMLIN, BT29 4NJ</span>'+
                        '<span class="price">'+
                            '<span class="status">For Sale</span>'+ 
                            '<span class="price2">&pound;455,000</span>'+
                        '</span>'+
                    '</div>'+
                  '</a>'+
                '</li>'+
              '</ul>');
                infoWindow.open(map, marker);  
            };
        
            google.maps.event.addListener(map, 'click', function() {
              infoWindow.close();
            });
    
            var markerimg ='/images/marker-new.png';
        
            var markerTRLISTRLIS69525 = new google.maps.Marker({
                map: map,
                icon: markerimg,
                position: new google.maps.LatLng(54.5711839153306, -6.19689956588744)
            });
    
            google.maps.event.addListener(markerTRLISTRLIS69525, 'click', onMarkerClick);
    
            markers.push(markerTRLISTRLIS69525);
     
        

         
            // Plot Properties  
            var infoWindow = new google.maps.InfoWindow({
                maxWidth: 300
            });
    
            var onMarkerClick = function() {
                var marker = this;
                var latLng = marker.getPosition();
                infoWindow.setContent('<ul class="mappop">'+
                '<li>'+
                  '<a href="/property/antrim-road/TRETRE97742/38-innisfayle-park/" class="tr-a">'+
                    '<div class="img">'+
                      '<img src="https://www.templetonrobinson.com/images/property/6332/TRETRE97742/TRETRE97742-1-sm.jpg" alt="38 Innisfayle Park">'+
                    '</div>'+
                    '<ul>'+
                      '<li><span><img src="/icons/bed.png" alt="bedrooms"></span>4</li>'+
                      '<li><span><img src="/icons/sofa.png" alt="receptions"></span>3</li>'+
                      '<li><span><img src="/icons/house.png" alt="style"></span>Detached</li>'+
                    '</ul>'+
                    '<div class="info">'+
                      '<h3>38 Innisfayle Park</h3>'+
                        '<span class="post">BELFAST, BT15 5HS</span>'+
                        '<span class="price">'+
                            '<span class="status">Sale Agreed</span>'+ 
                            '<span class="price2">&pound;365,000</span>'+
                        '</span>'+
                    '</div>'+
                  '</a>'+
                '</li>'+
              '</ul>');
                infoWindow.open(map, marker);  
            };
        
            google.maps.event.addListener(map, 'click', function() {
              infoWindow.close();
            });
    
            var markerimg ='/images/marker-new.png';
        
            var markerTRETRE97742 = new google.maps.Marker({
                map: map,
                icon: markerimg,
                position: new google.maps.LatLng(54.6379295659332, -5.9413965533129)
            });
    
            google.maps.event.addListener(markerTRETRE97742, 'click', onMarkerClick);
    
            markers.push(markerTRETRE97742);
     
        
    
    var bounds = new google.maps.LatLngBounds();
    for (var i = 0; i < markers.length; i++) {
        bounds.extend(markers[i].getPosition());
    }
    map.fitBounds(bounds);
    
    google.maps.event.addListener(infoWindow, 'domready', function() {
        var iwOuter = $('.gm-style-iw');
        var iwBackground = iwOuter.prev();
        iwBackground.children(':nth-child(2)').css({'display' : 'none'});
        iwBackground.children(':nth-child(4)').css({'display' : 'none'});
        iwOuter.parent().parent().css({left: '10px'});
        iwBackground.children(':nth-child(1)').attr('style', function(i,s){ return s + 'left: 155px !important;'});
        iwBackground.children(':nth-child(3)').attr('style', function(i,s){ return s + 'left: 155px !important;'}); 
        iwBackground.children(':nth-child(3)').find('div').children().css({'box-shadow': '', 'z-index' : '1'});
        var iwCloseBtn = iwOuter.next();
        iwCloseBtn.css({'display': 'none'});
    });
 
    var clusterStyles = [
    {
    textColor: 'white',
    url: '/images/cluster-new.png',
    height: 50,
    width: 50
    }, 
    { 
    textColor: 'white',
    url: '/images/cluster-new2.png',
    height: 50,
    width: 50
    },
    {
    textColor: 'white',
    url: '/images/cluster-new.png',
    height: 50,
    width: 50
    }
    ];
    
    // Clusters options.
    var clusterOp = {
    gridSize: 50,
    styles: clusterStyles,
    maxZoom: 15
    };
    
    
    // Construct the Clusters.
    var markerCluster = new MarkerClusterer(map, markers, clusterOp);
    
}
//google.maps.event.addDomListener(window, 'load', initialize);