#nav_1 {position:absolute; left:118px; top:105px; width:252px; height:71px; z-index:1; visibility:hidden}
#nav_2 {position:absolute; left:138px; top:139px; width:252px; height:71px; z-index:2; visibility:hidden}
#nav_3 {position:absolute; left:150px; top:175px; width:252px; height:71px; z-index:1; visibility:hidden}
#nav_4 {position:absolute; left:155px; top:215px; width:252px; height:71px; z-index:1; visibility:hidden}
#nav_5 {position:absolute; left:150px; top:254px; width:252px; height:71px; z-index:1; visibility:hidden}
#nav_6 {position:absolute; left:138px; top:290px; width:252px; height:71px; z-index:1; visibility:hidden}
#nav_7 {position:absolute; left:118px; top:324px; width:252px; height:71px; z-index:1; visibility:hidden}