#IntroduceMiddle{
	width:710px;
	float:left;
	margin-left:10px;
	height:463px;
}
#IntroduceTop{
	width:710px;
	height:30px;
}
.TopLeft{
	width:1px;
	height:30px;
	background-image: url(../images/teachleftbg.gif);
	float:left;
}
.TopMiddle{
	width:708px;
	height:30px;
	background-image:url(../images/teachbg.gif);
	float:left;
}
#IntroduceTopImg{
	float:left;
	width:20px;
	text-align:center;
	margin-left:8px;
	margin-top:4px;
}
#IntroduceTopTitle{
	float:left;
	width:100px;
	margin-top:6px;
	font-size:14px;
	color:#000000;
	margin-left:5px;
	text-align:left;
}
.CourseTitle{
	float:left;
	width:550px;
	margin-left:0px;
	height:27px;
	margin-top:3px;
}
.Button{
	float:right;
	margin-left:8px;
	margin-top:2px;
	height:27px;
	overflow:visible;
	width: 75px;
}
.CourseButton{
	padding-left:8px;
	padding-right:8px;
	padding-top:4px;
	text-align:center;
	border-left:1px solid #344445;
	border-right:1px solid #344445;
	border-top:1px solid #344445;
	font-size:12px;
	color:#FFFFFF;
	background-image:url(../images/teachbuttonbg.gif);
	cursor: hand;
	height:14px;
	overflow:visible
}
.ClickButton{
	height:5px;
	text-align:center;
	display:none;
}
.TeacherFrame{
	width:708px;
	height:429px;
	text-align:center;
	border-right:1px solid #385665;
	border-bottom:1px solid #385665;
	border-left:1px solid #385665;
}