サンプルコード [実行]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
<title>Sample</title>
<script src="http://maps.google.com/maps?file=api&v=2&key=ABQIAAAAasAJryKxWJnBFVJa487d9hTHGAxTVT7IRADYa-JdYz7xQ8IQZBSthgDZdggYpQHsmm6WYtHstQFfLA" type="text/javascript"></script>
<script type="text/javascript">
//<![CDATA[
var map;
window.onload = function() {
map = new GMap2(document.getElementById("gmap"));
map.setCenter(new GLatLng(37, 138), 6);
map.addControl(new GLargeMapControl());
// イベント設定
var selObj = document.getElementById("geoPoint");
selObj.onchange = function() {
var gp = this.value;
if (gp == "") return;
var x = gp.split(",")[1];
var y = gp.split(",")[0];
map.setCenter(new GLatLng(y, x), 16);
}
}
//]]>
</script>
</head>
<body>
<div id="gmap" style="width: 400px; height: 300px"></div>
<form>
<select id="geoPoint">
<option value="">移動したい場所を選択してください</option>
<option value="35.658632, 139.745411">東京タワー</option>
<option value="35.689488, 139.691706">東京都庁</option>
<option value="36.238627, 137.968868">松本城</option>
<option value="34.685568, 135.527468">大阪城</option>
</select>
</form>
</body>
</html>