function map_initialize() {
      if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map_canvas"));
		map.setUIToDefault();
        map.setCenter(new GLatLng(54.730687, 25.246173), 13);

        var myIcon = new GIcon(G_DEFAULT_ICON);
        myIcon.image = "images/mapicon.png";
        myIcon.iconSize = new GSize(42, 63);
       // myIcon.shadow = "my_custom_icon_shadow.png";
        //myIcon.shadowSize = new GSize(42, 31);
        myIcon.iconAnchor = new GPoint(21, 63);
        //myIcon.infoWindowAnchor = new GPoint(10, 14);
        //myIcon.printImage = "my_custom_icon_print.gif";
        //myIcon.mozPrintImage = "my_custom_icon_mozPrint.gif";
        //myIcon.printShadow = "my_custom_icon_printShadow.gif";
        //myIcon.transparent = "my_custom_icon_transparent.png";
        myIcon.imageMap = [ 0,40,42,44]; 
        
        var markerOptions = { icon:myIcon };
        
        var marker = new GMarker(map.getCenter(), markerOptions);
        GEvent.addListener(marker, "click", function () {
	      //marker.openInfoWindowHtml("Hello");
        });
        map.addOverlay(marker);
      }
    }