#nav_01{background:url('nav_01.png') 0px 0px no-repeat;width:37px;height:30px;}
#nav_02{background:url('nav_02.png') 0px 0px no-repeat;width:105px;height:30px;}
#nav_03{background:url('nav_03.png') 0px 0px no-repeat;width:129px;height:30px;}
#nav_04{background:url('nav_04.png') 0px 0px no-repeat;width:86px;height:30px;}
#nav_05{background:url('nav_05.png') 0px 0px no-repeat;width:126px;height:30px;}
#nav_06{background:url('nav_06.png') 0px 0px no-repeat;width:83px;height:30px;}