<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
<title>Google Maps JavaScript API Example: Event Arguments</title>
<script src="http://maps.google.com/maps?file=api&v=2&key=ABQIAAAAzr2EBOXUKnm_jVnk0OJI7xSosDVG8KKPE1-m51RBrvYughuyMxQ-i1QfUnH94QxWIa6N4U6MouMmBA"
type="text/javascript"></script>
<script type="text/javascript">
function initialize() {
if (GBrowserIsCompatible()) {
var map = new GMap2(document.getElementById("map_canvas"));
map.setCenter(new GLatLng(37.4419, -122.1419), 13);
GEvent.addListener(map, "click", function(overlay,latlng) {
if (latlng) {
var myHtml = "The GPoint value is: " + map.fromLatLngToDivPixel(latlng) + " at zoom level " + map.getZoom();
map.openInfoWindow(latlng, myHtml);
}
});
map.addControl(new GSmallMapControl());
map.addControl(new GMapTypeControl());
}
}
</script>
</head>
<body onload="initialize()" onunload="GUnload()">
<div id="map_canvas" style="width: 500px; height: 300px"></div>
</body>
</html>
http://code.google.com/intl/zh-TW/apis/maps/documentation/javascript/v2/examples/event-arguments.html
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