img11 = new Image();
	img11.src = "./img/ban11.jpg";
	img12 = new Image();
	img12.src = "./img/ban12.jpg";
	img21 = new Image();
	img21.src = "./img/ban21.jpg";
	img22 = new Image();
	img22.src = "./img/ban22.jpg";
	img_ban_photo = new Image();
	img_ban_photo.src = "./img/ban_photo.jpg";
	
	
	function menu_over(elmnt)
	{
		var x = document.getElementById(elmnt);
		x.className = "menuOver";
	}
	
	function menu_out(elmnt)
	{
		var x = document.getElementById(elmnt)
		x.className = "menuNormal"
	}