Google Map 3 붙이기

<script type="text/javascript" src="https://maps.google.com/maps/api/js?v=3.3&sensor=true&language=en"/>
<div id='map-canvas' style="height: 280px"></div>

 function initialize() {
   var myLatlng = new google.maps.LatLng(37.56667,126.97806);
   var myOptions = { 
     zoom: 16,
     center: myLatlng
   }
   var map = new google.maps.Map(document.getElementById("map-canvas"), myOptions);
   var marker = new google.maps.Marker({
     position: myLatlng, 
     map: map, 
     title:"콘텐트명"
   });   
   var infowindow = new google.maps.InfoWindow({
     content: "콘텐트명"
   });
   infowindow.open(map,marker);
}

window.onload= function() {
   initialize();
}