Here is the FULL working code... click the button on the lower left of the map, then click the map. alert will pop up. click the map again. No alert. <!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=7, IE=9">
<title>mapMUSKEGO | mapVEPRASKAS</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<link rel="stylesheet" href="http://js.arcgis.com/3.6/js/dojo/dijit/themes/claro/claro.css">
<link rel="stylesheet" href="http://js.arcgis.com/3.6/js/esri/css/esri.css">
<style type="text/css">
html,body,#map{
padding:0;
margin:0;
overflow:hidden;
height:100%;
background-color:#dbddda;
}
</style>
<script src="http://js.arcgis.com/3.8/"></script>
<script>
dojo.require("esri.map");
var map;
var initExtent;
var buttonclick;
function init() {
initExtent = new esri.geometry.Extent(2485078.859947771, 312461.2599477768, 2517629.6100261062, 344895.2419843375, new esri.SpatialReference({ "wkid": 32054 }));
map = new esri.Map("map", { extent: initExtent, logo: false, slider: false});
var greyMAP = new esri.layers.ArcGISDynamicMapServiceLayer("http://sampleserver6.arcgisonline.com/arcgis/rest/services/Census/MapServer", { });
map.addLayer(greyMAP);
}
function buttoncall() {
buttonclick = dojo.connect(map, "onClick", resultFunction);
}
function resultFunction() {
dojo.disconnect(buttonclick);
alert("test");
}
dojo.ready(init);
</script>
</head>
<body>
<div id="map"></div>
<a href="javascript:buttoncall()" id="button1" ><img alt="button1IMG" id="button1IMG" style="bottom:10px; left: 10px; width:36px; position:absolute; z-index:22; border:none;" src="images/Button.png"/></a>
</body>
</html>
