#menu a
{
	display: block;
	width: 137px;
	
}

#menu_2       { background-image: url('menu/1EN_Sea.jpg'); height: 48px }
#menu_2:hover { background-image: url('menu/1EN_Sea_hoover.jpg'); height: 48px }

#menu_3       { background-image: url('menu/2EN_Life.jpg'); height: 48px }
#menu_3:hover { background-image: url('menu/2EN_Life_hoover.jpg'); height: 48px }

#menu_4       { background-image: url('menu/3EN_Plants.jpg'); height: 48px }
#menu_4:hover { background-image: url('menu/3EN_Plants_hoover.jpg'); height: 48px }

#menu_5       { background-image: url('menu/4EN_Living.jpg'); height: 48px }
#menu_5:hover { background-image: url('menu/4EN_Living_hoover.jpg'); height: 48px }

#menu_6       { background-image: url('menu/5EN_Bobbins.jpg'); height: 48px }
#menu_6:hover { background-image: url('menu/5EN_Bobbins_hoover.jpg'); height: 48px }

#menu_2s       { background-image: url('menu/1EN_Sea_hoover.jpg'); height: 48px }
#menu_3s       { background-image: url('menu/2EN_Life_hoover.jpg'); height: 48px }
#menu_4s       { background-image: url('menu/3EN_Plants_hoover.jpg'); height: 48px }
#menu_5s       { background-image: url('menu/4EN_Living_hoover.jpg'); height: 48px }
#menu_6s       { background-image: url('menu/5EN_Bobbins_hoover.jpg'); height: 48px }