function ImgObject(imgname) {
	this.nml = new Image();
	this.nml.src = "img/"+imgname+".gif";
	this.ovr = new Image();
	this.ovr.src = "img/"+imgname+"_ovr.gif";
	this.sel = new Image();
	this.sel.src = "img/"+imgname+"_sel.gif";
}

var arrImg = new Array();

arrImg[0] = new ImgObject("unav_giftcards");
arrImg[1] = new ImgObject("unav_reservations");
arrImg[2] = new ImgObject("unav_directions");
arrImg[3] = new ImgObject("nav2_menu_dinner");
arrImg[4] = new ImgObject("nav2_menu_lunch");
arrImg[5] = new ImgObject("nav2_menu_desserts");
arrImg[6] = new ImgObject("nav2_menu_banquet");
arrImg[7] = new ImgObject("nav2_menu_drinks");
arrImg[8] = new ImgObject("nav2_wine_btglass");
arrImg[9] = new ImgObject("nav2_wine_cellar");
arrImg[10] = new ImgObject("nav2_wine_vlselect");


function rndNavPic() {
	var img = new Array();
	img[0] = new Image();
	img[1] = new Image();
	img[2] = new Image();
	img[3] = new Image();
	img[0].src = "img/navpic_awning.jpg";
	img[1].src = "img/navpic_food.jpg";
	img[2].src = "img/navpic_plate.jpg";
	img[3].src = "img/navpic_steak.jpg";
	
	var idx = Math.round(Math.random()*3);
	
	document.getElementById("navpic").src = img[idx].src;
}