#mnu_1 {position: absolute; height: 1px; overflow:hidden; clip:     rect(   )}
#mnu_2 {position: absolute; top: 200px; height: 1px; overflow:hidden; clip:     rect(   )}
#mnu_3 {position: absolute; top: 200px; height: 1px; overflow:hidden; clip:     rect(   )}
#mnu_4 {position: absolute; top: 200px; height: 1px; overflow:hidden; clip:     rect(   )}