var map = '';
var icon = _gicon();

function _gicon() {
	if (window.gicon) {
		return gicon();
	} else {
		var icon = new GIcon();
		icon.image = "http://www.google.com/mapfiles/marker.png";
		icon.shadow = "http://www.google.com/mapfiles/shadow50.png";
		icon.iconSize = new GSize(20, 34);
		icon.shadowSize = new GSize(37, 34);
		icon.iconAnchor = new GPoint(10, 34);
        icon.infoWindowAnchor = new GPoint(9,2);
		return icon;
	}
}

function placeMarkAtLatLong(lat,lng,html) {
    
	point = new GLatLng(lat,lng);
	placeMarkerAtPoint(point,html);
}

function makeMarker(point,html) {
    //var marker = new GMarker(point,icon);
	
    //var marker = new GMarker(point, markerOptions);   
    var this_icon = icon;
    markerOptions = { icon:this_icon };
    var marker = new GMarker(point, markerOptions);
    
    GEvent.addListener(marker, "click", function() {
      marker.openInfoWindowHtml(html);
    });
          
    return marker;
    
}
function placeMarkerAtPoint(point,html)
{
    map.addOverlay(makeMarker(point,html))
	
}

function setCenterToPoint(point)
{
	map.setCenter(point, get_zoom());
}

function mapLoad() {
	
	if (GBrowserIsCompatible()) {
		map = new GMap2(document.getElementById(get_div()));
		
		var point = new GLatLng(get_x(),get_y());
		map.setCenter(point, get_zoom(), G_NORMAL_MAP);
		callbacks = get_callbacks();
		for (var i=0;i<i.length;i++) {
			callbacks[i];
		}
	}
}



function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
    }
  }
}

function addUnLoadEvent(func) {
	var oldonunload = window.onunload;
	if (typeof window.onunload != 'function') {
	  window.onunload = func;
	} else {
	  window.onunload = function() {
	    oldonunload();
	    func();
	  }
	}
}

addLoadEvent(mapLoad);
addUnLoadEvent(GUnload);