//********************************************************************//
  // Javascript for Impres Google Maps Interface                        //
  // Centers and Marks on a single point                                //
  //********************************************************************//

var map;
var latitude;
var longitude;
var zoom = 14;
var postcode;
var localSearch = new GlocalSearch();

function initialize() {
    postcode = document.getElementById("postcodepoint_postcode").value;
    if (GBrowserIsCompatible()) {
        map = new GMap2(document.getElementById("gmap_singlepoint"));
        map.addControl(new GSmallMapControl());
        //alert (postcode);
        usePointFromPostcode(postcode,
            function (point) {
                map.setCenter(point, zoom);
                var marker = new GMarker(point);
                var title = document.getElementById("singlepoint_marker_title").value;
                var text = document.getElementById("singlepoint_marker_text").value;
                var html = '<span id=\"marker\" style=\"font-size: 1.1em;\"><strong>'+title+'</strong><br />'+text+'</span>';
                map.addOverlay(marker);
                marker.openInfoWindowHtml(html);
            });

      //  loadMapData();

        GEvent.addListener(map, "dblclick", function(overlay,point) {
            zoom = zoom + 1;
            map.setCenter(point, zoom);
        });
        GEvent.addListener(map, "singlerightclick", function(overlay,point) {
            map.setCenter(point);
        });
    }
}

function loadMapData() {
    var point = new GLatLng(latitude, longitude);
    var marker = new GMarker(point);
    var title = document.getElementById("singlepoint_marker_title").value;
    var text = document.getElementById("singlepoint_marker_text").value;
    var html = '<span id=\"marker\" style=\"font-size: 1.1em;\"><strong>'+title+'</strong><br />'+text+'</span>';
    map.addOverlay(marker);
    marker.openInfoWindowHtml(html);
}

function usePointFromPostcode(postcode, callbackFunction) {
  
  localSearch.setSearchCompleteCallback(null,
    function() {
      
      if (localSearch.results[0]) {    
        var resultLat = localSearch.results[0].lat;
        var resultLng = localSearch.results[0].lng;
        var point = new GLatLng(resultLat,resultLng);
        callbackFunction(point);
      }else{
        alert("Postcode not found!");
      }
    });  
    
  localSearch.execute(postcode + ", UK");
}