var currentInfoWindow = null;     //最後に開いた情報ウィンドウを記憶
var geocoder;
var map_canvas;
var initPos;
var map_Point_Y;
var map_Point_X;
var bounds;
function initialize() {
	geocoder = new google.maps.Geocoder();
	//地図初期化
	initPos = new google.maps.LatLng(37.900747, 139.049799);
	var myOptions = {
		center : initPos,
		zoom : 15,
		mapTypeId: google.maps.MapTypeId.ROADMAP
	};
	map_canvas = new google.maps.Map(document.getElementById("map"), myOptions);
	setMarker();
}

function setMarker() {
	var bounds = new google.maps.LatLngBounds();
	var sai = "0.1";
	var minLat = parseFloat(map_Point_X) - parseFloat(sai);
	var minLon = parseFloat(map_Point_Y) - parseFloat(sai);
	var maxLat = parseFloat(map_Point_X) + parseFloat(sai);
	var maxLon = parseFloat(map_Point_Y) + parseFloat(sai);
	var cnt = 0;
	var $tmplon = "";
	var $tmplon = "";
	cnt = cnt+1;
var markerPos0 = new google.maps.LatLng("37.3124137", "138.7975328");
createMarker(map_canvas, markerPos0, "<div class=\"infowindow\"><strong>木村歯科医院</strong><br /><p style=\"width:20em;\">小千谷市城内1-4-18<br>TEL 0258-77-9764<br />[<a href=\"/search/pref/detail?oID=545\">医院詳細</a>]</p></div>");
bounds.extend(new google.maps.LatLng("37.3124137", "138.7975328"));
cnt = cnt+1;
var markerPos1 = new google.maps.LatLng("37.309192", "138.794342");
createMarker(map_canvas, markerPos1, "<div class=\"infowindow\"><strong>佐藤歯科医院</strong><br /><p style=\"width:20em;\">小千谷市平成1-4-7<br>TEL 0258-82-2352<br />[<a href=\"/search/pref/detail?oID=546\">医院詳細</a>]</p></div>");
bounds.extend(new google.maps.LatLng("37.309192", "138.794342"));
cnt = cnt+1;
var markerPos2 = new google.maps.LatLng("37.369906", "138.778898");
createMarker(map_canvas, markerPos2, "<div class=\"infowindow\"><strong>鈴木歯科医院</strong><br /><p style=\"width:20em;\">小千谷市片貝町5248<br>TEL 0258-84-2044<br />[<a href=\"/search/pref/detail?oID=547\">医院詳細</a>]</p></div>");
bounds.extend(new google.maps.LatLng("37.369906", "138.778898"));
cnt = cnt+1;
var markerPos3 = new google.maps.LatLng("37.315347", "138.796135");
createMarker(map_canvas, markerPos3, "<div class=\"infowindow\"><strong>阿部歯科医院</strong><br /><p style=\"width:20em;\">小千谷市城内2-9-11<br>TEL 0258-83-4650<br />[<a href=\"/search/pref/detail?oID=554\">医院詳細</a>]</p></div>");
bounds.extend(new google.maps.LatLng("37.315347", "138.796135"));
cnt = cnt+1;
var markerPos4 = new google.maps.LatLng("37.312178", "138.79385");
createMarker(map_canvas, markerPos4, "<div class=\"infowindow\"><strong>城内歯科医院</strong><br /><p style=\"width:20em;\">小千谷市城内1-14-2<br>TEL 0258-82-2003<br />[<a href=\"/search/pref/detail?oID=558\">医院詳細</a>]</p></div>");
bounds.extend(new google.maps.LatLng("37.312178", "138.79385"));
cnt = cnt+1;
var markerPos5 = new google.maps.LatLng("37.299188", "138.799369");
createMarker(map_canvas, markerPos5, "<div class=\"infowindow\"><strong>野沢歯科医院</strong><br /><p style=\"width:20em;\">小千谷市栄町9-7<br>TEL 0258-82-0468<br />[<a href=\"/search/pref/detail?oID=559\">医院詳細</a>]</p></div>");
bounds.extend(new google.maps.LatLng("37.299188", "138.799369"));
cnt = cnt+1;
var markerPos6 = new google.maps.LatLng("37.319513", "138.798157");
createMarker(map_canvas, markerPos6, "<div class=\"infowindow\"><strong>星野歯科医院</strong><br /><p style=\"width:20em;\">小千谷市千谷川4-741-2<br>TEL 0258-83-2033<br />[<a href=\"/search/pref/detail?oID=560\">医院詳細</a>]</p></div>");
bounds.extend(new google.maps.LatLng("37.319513", "138.798157"));
cnt = cnt+1;
var markerPos7 = new google.maps.LatLng("37.369134", "138.775985");
createMarker(map_canvas, markerPos7, "<div class=\"infowindow\"><strong>安部歯科医院</strong><br /><p style=\"width:20em;\">小千谷市片貝町6513<br>TEL 0258-84-2052<br />[<a href=\"/search/pref/detail?oID=563\">医院詳細</a>]</p></div>");
bounds.extend(new google.maps.LatLng("37.369134", "138.775985"));
cnt = cnt+1;
var markerPos8 = new google.maps.LatLng("37.306001", "138.782216");
createMarker(map_canvas, markerPos8, "<div class=\"infowindow\"><strong>わかば歯科</strong><br /><p style=\"width:20em;\">小千谷市若葉2-101<br>TEL 0258-83-1010<br />[<a href=\"/search/pref/detail?oID=567\">医院詳細</a>]</p></div>");
bounds.extend(new google.maps.LatLng("37.306001", "138.782216"));
cnt = cnt+1;
var markerPos9 = new google.maps.LatLng("37.312558", "138.785484");
createMarker(map_canvas, markerPos9, "<div class=\"infowindow\"><strong>平和歯科医院</strong><br /><p style=\"width:20em;\">小千谷市大字桜町4989-2<br>TEL 0258-81-1050<br />[<a href=\"/search/pref/detail?oID=568\">医院詳細</a>]</p></div>");
bounds.extend(new google.maps.LatLng("37.312558", "138.785484"));
    if (cnt > 0) {
        if (cnt == 1) {
            map_canvas.setCenter(new google.maps.LatLng(37.312558, 138.785484));
            map_canvas.setZoom(15);
        } else {
            map_canvas.fitBounds(bounds);
        }
        if(document.getElementById("search_cnt") != null) {
            document.getElementById("search_cnt").innerHTML = cnt + "件該当しました。";
        }
    } else {
        if(document.getElementById("search_cnt") != null) {
            document.getElementById("search_cnt").innerHTML = "<span style='color:red;'>該当する情報がありません。</span>";
        }
    }
}
function createMarker(map, latlng, text) {
	var infoWndOpts = {
		content : text
	};
	var infoWnd = new google.maps.InfoWindow(infoWndOpts);
	var markerOpts = {
		position : latlng,
		map : map
	};
	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;
}

function getLatLng(address) {
	if (geocoder) {
		geocoder.geocode( { 'address': address}, function(results, status) {
			if (status == google.maps.GeocoderStatus.OK) {
				var bounds = new google.maps.LatLngBounds();
				for (var i in results) {
					if (results[i].geometry) {
						// 緯度経度を取得
						latlng = results[i].geometry.location;
						// 緯度
						map_Point_Y = latlng.lat();
						// 経度
						map_Point_X = latlng.lng();
						map_canvas.setCenter(latlng);
					}
				}
				setMarker();
			}
		});
	}
}
window.onload = initialize;