Your code was close. Looks like you just needed to call the projectToLatLong function. Here's a modified version of your code that should work:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=7,IE=9" />
<!--The viewport meta tag is used to improve the presentation and behavior of the samples
on iOS devices-->
<meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no"/>
<title> Map with scalebar</title>
<link rel="stylesheet" type="text/css" href="http://serverapi.arcgisonline.com/jsapi/arcgis/3.0/js/dojo/dijit/themes/claro/claro.css">
<style> html, body { height: 100%; width: 100%; margin: 0; padding: 0; }#map{padding:0;}</style>
<script type="text/javascript">
var djConfig = {
parseOnLoad: true
};
</script>
<script type="text/javascript" src="http://serverapi.arcgisonline.com/jsapi/arcgis/?v=2.8"></script>
<script type="text/javascript">
dojo.require("dojo.parser");
dojo.require("dijit.layout.BorderContainer");
dojo.require("dijit.layout.ContentPane");
dojo.require("esri.map");
dojo.require("esri.dijit.Scalebar");
dojo.require("esri.tasks.geometry");
var map;
var gsvc = null;
var pt = null;
function init() {
var initExtent = new esri.geometry.Extent({
"xmin": 210000,
"ymin": 275000,
"xmax": 810000,
"ymax": 705000,
"spatialReference": {
"wkid": 3057
}
});
map = new esri.Map("map", {
extent: initExtent
});
var basemap = new esri.layers.ArcGISTiledMapServiceLayer("http://atlas.lmi.is/lmigis/rest/services/kort/grunnkort/MapServer");
map.addLayer(basemap);
gsvc = new esri.tasks.GeometryService("http://servicesbeta2.esri.com/arcgis/rest/services/Geometry/GeometryServer");
dojo.connect(map, 'onLoad', function(scale) {
var scalebar = new esri.dijit.Scalebar({
map: map,
scalebarUnit:'metric'
});
//resize the map when the browser resizes
dojo.connect(dijit.byId('map'), 'resize', map,map.resize);
});
console.log(gsvc);
dojo.connect(map, "onClick", coordinates);
}
function coordinates(evt) {
map.graphics.clear();
var point = evt.mapPoint;
console.log(point); //works
var symbol = new esri.symbol.SimpleMarkerSymbol().setStyle(esri.symbol.SimpleMarkerSymbol.STYLE_CIRCLE);
var outSR = new esri.SpatialReference({wkid: 4326});
var graphic = new esri.Graphic(point, symbol);
map.graphics.add(graphic);
projectToLatLong(point,outSR);
}
function projectToLatLong(point, outSR) {
gsvc.project([point], outSR, function(projectedPoints) {
pt = projectedPoints[0];
console.log(pt.x + ' ' + pt.y ); //doesn't work
});
}
dojo.addOnLoad(init);
</script>
</head>
<body class="claro">
<div dojotype="dijit.layout.BorderContainer" design="headline" gutters="false"
style="width: 100%; height: 100%; margin: 0;">
<div id="map" dojotype="dijit.layout.ContentPane" region="center" style="overflow:hidden;"></div>
</div>
</body>
</html>
