I'me making a website where people submit a message. With the message
they will also select the country and city where the message has been
submitted.
Now I want to show people on google maps the location of the messages.
All the information is store in a database.
I have found this sample of code:
var map = null;
var geocoder = null;
function initialize() {
if (GBrowserIsCompatible()) {
map = new GMap2(document.getElementById("map_canvas"));
map.setCenter(new GLatLng(52.146973,5.526123), 7);
geocoder = new GClientGeocoder();
}
}
function showAddress(address) {
if (geocoder) {
geocoder.getLatLng(
address,
function(point) {
if (!point) {
alert(address + " not found");
} else {
var marker = new GMarker(point);
map.addOverlay(marker);
marker.openInfoWindowHtml(address);
}
}
);
}
}
</script>
</head>
<body onload="initialize()" onunload="GUnload()" style="font-family:
Arial;border: 0 none;">
<form action="#" onsubmit="showAddress(this.address.value); return
false">
<p>
<input type="text" size="60" name="address" value="1600
Amphitheatre Pky, Mountain View, CA" />
<input type="submit" value="Go!" />
</p>
<div id="map_canvas" style="width: 500px; height: 500px"></div>
</form>
</body>
</html>
Now I have delete the form and have make this:
This is not my official code because i must make a loop and the
connection to the database. But the priciple is the same.
</head>
<body onload="initialize()" onload="showAddress(Amsterdam)"
onunload="GUnload()" style="font-family: Arial;border: 0 none;">
<div id="map_canvas" style="width: 500px; height: 500px"></div>
</body>
</html>
When I run this page there will be no marker at this place. What am i
doing wrong here.
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