function NavElement(menu,imgOver,extended) {
	this.MenuImg = eval('document.menu_'+menu);
	this.ImageOut = this.MenuImg.src;
	(new Image).src = imgOver;
	this.ImageOver = imgOver;
	function MouseEvent(event) {
		this.MenuImg.src = this['Image'+event];
		if (extended) {
			var MenuExtImg = eval('document.menu_'+menu+'ext');
			if (event == 'Over')
				MenuExtImg.src = '/_data/media_layout/sansan/bg_orange_light.gif';
			else
				MenuExtImg.src = '/_data/media_layout/sansan/bg_orange_medium.gif';
		}
	}
	this.MouseEvent = MouseEvent;
}