#tabtop,#tabtop2{background:url(http://tokyo.iac.ac.jp/common/image/c_tab_top.gif) no-repeat left bottom; width:584px; height:48px; display:block; position:relative; font-size:1px; line-height:1px;}
#tabbody,#tabbody2{background:url(http://tokyo.iac.ac.jp/common/image/c_tab_middle.gif); background-position: 0 0; background-repeat:repeat-y; width:584px; min-height:320px; _height:160px;}
#tabfoot,#tabfoot2{background:url(http://tokyo.iac.ac.jp/common/image/c_tab_bottom.gif); background-position: 0 0; background-repeat:no-repeat; width:584px; height:14px; margin-left:5px;}

#tabtop a,#tabtop2 a{width:120px; height:33px; background-position: left bottom; background-repeat:no-repeat; display:block; position:relative; float:left; cursor:pointer;}
#c_tab01{ margin-left:10px;}
#c_tab02{ left:0px;}
#c_tab03{ left:0px;}