function loadbranches(map) {
	// generic icon for all markers
	var baseIcon = new GIcon();
	baseIcon.shadow = 'http://www.google.com/mapfiles/shadow50.png';
	baseIcon.iconSize = new GSize(20, 34);
	baseIcon.shadowSize = new GSize(37, 34);
	baseIcon.iconAnchor = new GPoint(9, 34);
	baseIcon.infoWindowAnchor = new GPoint(9, 2);
	baseIcon.infoShadowAnchor = new GPoint(18, 25);

	function createMarker(point, infoTabs) {
		var icon = new GIcon(baseIcon);
		icon.image = "http://www.google.com/mapfiles/marker.png";
		var marker = new GMarker(point, icon);
		GEvent.addListener(
			marker, "click", function() {
			marker.openInfoWindowHtml(infoTabs);
		});
		return marker;
	}
    
	//Belfast
	var infoTabs = "<div class='info_window'><strong>Calderwood Glass Ltd</strong><br />Units 4-6, Glenville Industrial Estate<br />Newtownabbey,<br />County Antrim,<br />BT37 0TU<br /><br />Tel: 028 9086 4422<br />Fax: 028 9036 5026<br />Email: <a href='mailto:info@calderwoodglass.co.uk'>info@calderwoodglass.co.uk</a></div>";
	var marker = createMarker(
		new GLatLng(54.68099,-5.90375),
		infoTabs
	);
	map.addOverlay(marker);

}

function drawMap() {
	if (GBrowserIsCompatible()) {
		window.map = new GMap2(document.getElementById("map"));
		window.map.addControl(new GLargeMapControl3D());
		window.map.addControl(new GMapTypeControl());
		window.map.addControl(new GOverviewMapControl());
		window.map.setCenter(
			new GLatLng(54.68099, -5.90375), 14
		);
		loadbranches(window.map);
	}
	else {
	alert("Sorry, your browser cannot handle the true power of Google Maps");
	}
}

function loadMap() {
	google.load("maps", "2", {"callback" : drawMap});
}