/*menu */
#button11 { position: relative;z-index: 0 ;float:left }
#button11 a { background: url("im/over_01.gif") no-repeat;di\splay: block;wid\th: 77px; heigh\t: 21px; }
#button11 a:hover img, #button a:focus img { position: relative;z-index: -1;}
#button11 a:hover {background-position: 0 0;display: block;  width: 77px; height: 21px; }

#button21 { position: relative;z-index: 0 ;float:left  }
#button21 a { background: url("im/over_02.gif") no-repeat;di\splay: block;wid\th: 70px; heigh\t: 21px;}
#button21 a:hover img, #button a:focus img { position: relative; z-index: -1;  }
#button21 a:hover {background-position: 0 0; display: block;  width:70px; height: 21px;}

#button31 {position: relative; z-index: 0 ;float:left }
#button31 a { background: url("im/over_03.gif") no-repeat;di\splay: block;wid\th: 68px; heigh\t: 21px; }
#button31 a:hover img, #button a:focus img { z-index: -1; position: relative; }
#button31 a:hover {background-position: 0 0; display: block;  width:68px; height: 21px;}

#button41 {position: relative; z-index: 0 ;float:left  }
#button41 a { background: url("im/over_04.gif") no-repeat;di\splay: block;wid\th: 121px; heigh\t: 21px;}
#button41 a:hover img, #button a:focus img { z-index: -1; position: relative; }
#button41 a:hover {background-position: 0 0; display: block;  width:121px; height: 21px;}

#button51 {position: relative; z-index: 0 ;float:left  }
#button51 a { background: url("im/over_05.gif") no-repeat;di\splay: block;wid\th: 58px; heigh\t: 21px; }
#button51 a:hover img, #button a:focus img { z-index: -1; position: relative; }
#button51 a:hover {background-position: 0 0; display: block;  width:58px; height:21px;}

#button61 {position: relative; z-index: 0 ;float:left  }
#button61 a { background: url("im/over_06.gif") no-repeat;di\splay: block;wid\th: 88px; heigh\t: 21px; }
#button61 a:hover img, #button a:focus img { z-index: -1; position: relative; }
#button61 a:hover {background-position: 0 0; display: block;  width:88px; height: 21px;}

#button71 {position: relative; z-index: 0 ;float:left  }
#button71 a { background: url("im/over_07.gif") no-repeat;di\splay: block;wid\th: 115px; heigh\t: 21px;}
#button71 a:hover img, #button a:focus img { z-index: -1; position: relative; }
#button71 a:hover {background-position: 0 0; display: block;  width:115px; height: 21px;}