#navZamok {
	background-image: url(/images/zamokm.gif);
	background-repeat: no-repeat;
	background-position: 0 0;
	width: 100px;
	height: 112px;
	position: fixed;
	left: 5px;
	top: 5px;
}
#navZamok:hover {
	background-position: -100px;
}