#nav-princ li#item1 {
		background-image: url(../images/en-menu-radionav.jpg)}

#nav-princ li#item2 {
		background-image: url(../images/en-menu-trans.jpg)}

#nav-princ li#item3 {
		background-image: url(../images/en-menu-mer.jpg); }

#nav-princ li#item4 {
		background-image: url(../images/twist-logo.jpg); }