var currentInfoWindow = null;	//最後に開いた情報ウィンドウを記憶
  function initialize() {
	//地図初期化
    var initPos = new google.maps.LatLng(35.731954,139.766857);
    var myOptions = {
      center : initPos,
      zoom : 15,
      mapTypeId : google.maps.MapTypeId.ROADMAP
    };
    var map_canvas = new google.maps.Map(document.getElementById("map_canvas"), myOptions);

	//マーカーを作成
	var markerPos0 = new google.maps.LatLng(35.7308714,139.7694955);
var markerPos1 = new google.maps.LatLng(35.7315962,139.7685594);
var markerPos2 = new google.maps.LatLng(35.7322961,139.7681372);
var markerPos3 = new google.maps.LatLng(35.7319545,139.7682317);
var markerPos4 = new google.maps.LatLng(35.7314601,139.7685928);
createMarker(map_canvas, markerPos0, "エーゲ海<br />東京都荒川区西日暮里2-53-9 <br />03-3807-2338<div class=dtl><a href=detail.html?id=477&query=17>詳細</a>","./marker/pin_lov01.png");
createMarker(map_canvas, markerPos1, "ピース1<br />東京都荒川区西日暮里5-18-2<br />03-3802-5855<div class=dtl><a href=detail.html?id=482&query=17>詳細</a>","./marker/pin_lov02.png");
createMarker(map_canvas, markerPos2, "プレステージ<br />東京都荒川区西日暮里5-14-5 <br />03-3803-7911<div class=dtl><a href=detail.html?id=483&query=17>詳細</a>","./marker/pin_lov03.png");
createMarker(map_canvas, markerPos3, "ホテルパピオン西日暮里店<br />東京都荒川区西日暮里5-15-5<br />03-3803-3355<div class=dtl><a href=detail.html?id=484&query=17>詳細</a>","./marker/pin_lov04.png");
createMarker(map_canvas, markerPos4, "イーアイ西日暮里<br />東京都荒川区西日暮里5-18-4<br />03-3802-7775<div class=dtl><a href=detail.html?id=941&query=17>詳細</a>","./marker/pin_lov05.png");
  }

	function createMarker(map, latlng, text, icon) {
		var infoWndOpts = {
			content : text
		};
		var infoWnd = new google.maps.InfoWindow(infoWndOpts);
		var image = icon;

		var markerOpts = {
			position : latlng,
			map : map,
			icon : image
		};

		var marker = new google.maps.Marker(markerOpts);
		google.maps.event.addListener(marker, "click", function(){
			//先に開いた情報ウィンドウがあれば、closeする
			if (currentInfoWindow) {
				currentInfoWindow.close();
			}
			//情報ウィンドウを開く
			infoWnd.open(map, marker);

			currentInfoWindow = infoWnd;
		});
		return marker;
	}