function Crosshair() {
    this.div = null;
    this.dummydiv = null;
    this.image = new Image();

    this.image.src = 'images/crosshair.gif';
}

Crosshair.prototype = new GControl(false, false);

Crosshair.prototype.unload = function() {
    this.div.parentNode.removeChild(this.div);
}

Crosshair.prototype.initialize = function(map) {
    this.map = map;

    this.div = $Div();
    this.div.style.position = 'absolute';

    var img = $Element('img');
    img.src = this.image.src;
    img.style.width = '15px';
    img.style.height = '15px';

    this.div.appendChild(img);

    this.map.getPane(G_MAP_MARKER_SHADOW_PANE).appendChild(this.div);

    this.dummydiv = $Div();
    this.dummydiv.style.display = 'none';

    this.map.getContainer().appendChild(this.dummydiv);

    this.update();

    return this.dummydiv;
}

Crosshair.prototype.getDefaultPosition = function() {
    return new GControlPosition(G_ANCHOR_TOP_RIGHT, new GSize(7, 35));
}

Crosshair.prototype.update = function() {
    var position = this.map.fromLatLngToDivPixel(this.map.getCenter());

    this.div.style.left = (position.x - 7) + 'px';
    this.div.style.top = (position.y - 7) + 'px';
}