var map;
var address="東京都文京区春日１−１６−３０";
var name="講道館"; 
var tel="";
var ido_keido = "35.707709,139.753428";
var lat = "35.707709";
var lng = "139.753428";
//var myLatlng;

window.onload = function(){

	var geocoder;

	if(ido_keido == ""){
	
		geocoder = new google.maps.Geocoder();
		geocoder.geocode({ address: address }, function(results, status) {
			if (status == google.maps.GeocoderStatus.OK) {
				myLatlng = results[0].geometry.location; 
				// スコープ外で値が消える
				makemap(myLatlng)
			} else {
				//alert("住所・所在地から地図を取得できませんでした");
			}
		});
	
	}else{
		myLatlng = new google.maps.LatLng(lat, lng);
		makemap(myLatlng)
	}
}

function makemap(myLatlng){

	var txt="<div align='left' style='font-size:11px;padding 0; margin: 0px;line-height:12px;'>" + "<b>" + name + "<\/b><br />" + address + "<\/div>"; 
	var myOptions = { zoom: 14, center: myLatlng, mapTypeId: google.maps.MapTypeId.ROADMAP };
	map = new google.maps.Map(document.getElementById("map"), myOptions);
	var marker = new google.maps.Marker({ position: myLatlng, map: map }); 
	var infowindow = new google.maps.InfoWindow({ content: txt });
	google.maps.event.addListener(marker, 'click', function() {infowindow.open(map,marker); }); 
}