function initialize() {
	var myLatlng = new google.maps.LatLng(36.1891887, 137.9637452);
	var myOptions = {
		zoom: 15,
		center: myLatlng,
		mapTypeId: google.maps.MapTypeId.ROADMAP
	}
	var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);

	var marker = new google.maps.Marker({
		position: myLatlng, 
		map: map, 
		title:"展示場はこちら"
	});   

}