.headermenu {padding:0 0 0 43px; margin:0; list-style:none; height:50px; background:#fff url(img/header/m_bg.jpg) repeat-x; position:relative; font-family:���C���I; }
.headermenu li.top {display:block; float:left; position:relative;}
.headermenu li a.top_link {display:block; float:left; height:50px; line-height:40px; color:#000; text-decoration:none; font-size:16px; margin:0px;font-weight:bold; padding:0px; cursor:pointer;}
.headermenu li a.top_link span {float:left; font-weight:bold; display:block; padding:0; height:50px;}

.headermenu a:hover {visibility:visible;}

.headermenu ul, 
.headermenu :hover ul ul, 
.headermenu :hover ul :hover ul ul,
.headermenu :hover ul :hover ul :hover ul ul,
.headermenu :hover ul :hover ul :hover ul :hover ul ul {position:absolute; left:-9999px; top:-9999px; width:0; height:0; margin:0; padding:0; list-style:none;}

.headermenu :hover ul.sub {left:5px; top:50px; right:0px; background: #fff; padding:5px 0 8px 1px; border:1px solid #75b1c2; white-space:nowrap; width:185px; height:auto;}
.headermenu :hover ul.sub li {display:block; height:25px; position:relative; float:left; width:185px;}
.headermenu :hover ul.sub li a {font-weight:normal;display:block; font-size:15px; height:28px; width:180px; line-height:30px; text-indent:5px; color:#000; text-decoration:none; border:1px solid #fff; border-width:0 0 0 0px;margin:0 0 0 5px;}
.headermenu :hover ul.sub li a:hover {margin:0 1px 0 0;background:#eff4fa; color:#000;border-left:5px #75b1c2 solid;}

.headermenu :hover ul :hover ul,
.headermenu :hover ul :hover ul :hover ul,
.headermenu :hover ul :hover ul :hover ul :hover ul,
.headermenu :hover ul :hover ul :hover ul :hover ul :hover ul
{left:90px; top:-4px; background: #fff; padding:3px 0; border:1px solid 95d2ee; white-space:nowrap; width:93px; z-index:200; height:auto;}









#Atfirst a {
	display:block;
	width:171px;
	height:50px; 
	background:url(img/header/m_01.jpg) no-repeat; }
	
#Atfirst a:hover{ 
	width:171px;
	height:50px; 
	background:url(img/header/m_01_.jpg) no-repeat; }
	
#Lesson a {
	display:block;
	width:169px;
	height:50px; 
	background:url(img/header/m_02.jpg) no-repeat; }
	
#Lesson a:hover{ 
	width:169px;
	height:50px; 
	background:url(img/header/m_02_.jpg) no-repeat; }
	
#Web-course a {
	display:block;
	width:169px;
	height:50px; 
	background:url(img/header/m_03.jpg) no-repeat; }
	
#Web-course a:hover{ 
	width:169px;
	height:50px; 
	background:url(img/header/m_03_.jpg) no-repeat; }
	
#Classroom a {
	display:block;
	width:170px;
	height:50px; 
	background:url(img/header/m_04.jpg) no-repeat; }
	
#Classroom a:hover{ 
	width:170px;
	height:50px; 
	background:url(img/header/m_04_.jpg) no-repeat; }