a.menu {
display:block;
height:30px;
}

a#menuOnas {	
	width:118px;	
	background: url('nav_onas.gif') no-repeat;
}
a#menuOnas:hover {
	background: url('nav_up_onas.gif') no-repeat;
}

a#menuKontakt {	
	width:118px;	
	background: url('nav_kontakt.gif') no-repeat;
}
a#menuKontakt:hover {
	background: url('nav_up_kontakt.gif') no-repeat;
}

a#menuPortfolio {	
	width:118px;	
	background: url('nav_portfolio.gif') no-repeat;
}
a#menuPortfolio:hover {
	background: url('nav_up_portfolio.gif') no-repeat;
}