#ttl_1980{
 background:url(../images/1980_ttl.gif) 0 0 no-repeat;
 height:26px;
 text-indent:-9999px;
 margin-bottom:10px;
}

#ttl_1990{
 background:url(../images/1990_ttl.gif) 0 0 no-repeat;
 height:26px;
 text-indent:-9999px;
 margin-top:50px;
 margin-bottom:10px;
}

#ttl_2000{
 background:url(../images/2000_ttl.gif) 0 0 no-repeat;
 height:26px;
 text-indent:-9999px;
 margin-top:50px;
 margin-bottom:10px;
}


ul#history_btn li{
 float:left;
 text-indent:-9999px;
}


ul#history_btn li a{
 display:block;
 width:160px;
 height:26px;
}

li#h2010_btn{
 display:block;
 width:159px;
 height:26px;
 background:url(../images/history_btn.gif) -480px 0 no-repeat;
}


li#h1980_btn a{
 background:url(../images/history_btn.gif) 0 0 no-repeat;
}

li#h1980_btn_active a,
li#h1980_btn a:hover{
 background:url(../images/history_btn.gif) 0 -26px no-repeat;
}


li#h1990_btn a{
 background:url(../images/history_btn.gif) -160px 0 no-repeat;
}

li#h1990_btn_active a,
li#h1990_btn a:hover{
 background:url(../images/history_btn.gif) -160px -26px no-repeat;
}


li#h2000_btn a{
 background:url(../images/history_btn.gif) -320px 0 no-repeat;
}

li#h2000_btn_active a,
li#h2000_btn a:hover{
 background:url(../images/history_btn.gif) -320px -26px no-repeat;
}




#accordion,
#accordion2,
#accordion3{
 width:639px;
 margin:0 auto;
 background:url(../images/div_bottom.gif) 0 bottom no-repeat;
 padding-bottom:1px;
 margin-bottom:50px;
}

dt{
 width:639px;
 height:68px;
 text-indent:-9999px;
 cursor:pointer;
}	

dd{
 background:url(../images/dd_bg.gif) 0 0 repeat;
 overflow:hidden;
}


dt#h1986{
 background:url(../images/h1986.jpg) 0 0 no-repeat;
}

dt#h1987{
 background:url(../images/h1987.jpg) 0 0 no-repeat;
}

dt#h1988{
 background:url(../images/h1988.jpg) 0 0 no-repeat;
}

dt#h1989{
 background:url(../images/h1989.jpg) 0 0 no-repeat;
}


dt#h1990{
 background:url(../images/h1990.jpg) 0 0 no-repeat;
}

dt#h1993{
 background:url(../images/h1993.jpg) 0 0 no-repeat;
}

dt#h1995{
 background:url(../images/h1995.jpg) 0 0 no-repeat;
}

dt#h1997{
 background:url(../images/h1997.jpg) 0 0 no-repeat;
}

dt#h1998{
 background:url(../images/h1998.jpg) 0 0 no-repeat;
}


dt#h2000{
 background:url(../images/h2000.jpg) 0 0 no-repeat;
}

dt#h2003{
 background:url(../images/h2003.jpg) 0 0 no-repeat;
}

dt#h2004{
 background:url(../images/h2004.jpg) 0 0 no-repeat;
}

dt#h2005{
 background:url(../images/h2005.jpg) 0 0 no-repeat;
}

dt#h2006{
 background:url(../images/h2006.jpg) 0 0 no-repeat;
}

dt#h2007{
 background:url(../images/h2007.jpg) 0 0 no-repeat;
}

dt#h2008{
 background:url(../images/h2008.jpg) 0 0 no-repeat;
}


.contents_txt{
 background:#FFFFFF;
 margin:0 1px 0 1px;
 padding-left:48px;
 padding-bottom:30px;
}

.img_r{
 float:left;
}

.left_border{
 border-left:2px solid #000;
}


h4{
 padding-left:20px;
 padding-bottom:20px;
}

.left_w{
 float:left;
 padding-left:20px;
 padding-right:20px;
}

.left_w390{
 float:left;
 padding-left:20px;
 padding-right:20px;
 width:350px;
}

.left_w350{
 float:left;
 padding-left:20px;
 padding-right:20px;
 width:310px;
}

.left_w330{
 float:left;
 padding-left:20px;
 padding-right:20px;
 width:290px;
}


.left_w290{
 float:left;
 padding-left:20px;
 padding-right:20px;
 width:250px;
}

.left_w220{
 float:left;
 padding-left:20px;
 padding-right:20px;
 width:180px;
}