#nav_main {
      float:left;
      margin: 0 auto; padding: 0;
      overflow:hidden;
      background: #eeaabb url(images/bg_nav_main.gif) repeat-x bottom;
      }
    #nav_main ul {
      margin:0; padding: 0 1em 0;
      list-style:none;
      }
    #nav_main li {
      display:inline;
      margin:0;
      padding:0;
      }
    #nav_main a {
      float:left;
      background:url("images/nav_both_01.gif") no-repeat left top;
      margin:0;
      padding:0 0 0 12px;

      text-decoration:none;
      }
    #nav_main a span {
      float:left;
      display:block;
      background:url("images/nav_both_02.gif") no-repeat right top;
      padding:5px 14px 2px 3px;
      font-weight:bold;
      color:#3f3f3f;
      }
    /* Commented Backslash Hack hides rule from IE5-Mac \*/
    #nav_main a span {float:none;}
    /* End IE5-Mac hack */
    #nav_main a:hover span {
      color:#abc6c7; font-weight:bold;
      }
    #nav_main #current a {
      background-position:0 -150px;
      border-width:0;
      }
    #nav_main #current a span {
      background-position:100% -150px;
      padding-bottom:2px;
      color:rgb(245, 240, 240);
      }
    #nav_main a:hover {
      background-position:0 -150px;
      }
    #nav_main a:hover span {
      background-position:100% -150px;
      }