.tab_main{
	width: 750px;
	float: right;
	border: 1px solid #d1d1d1;
	height: 440px;
	margin-top: 2px;
}

.tab_content{
	clear: both;
	text-align: left;
	padding-top: 15px;
}


/* TAB 切换效果 */
.tb_{
	background-repeat: repeat-x;
	background-image: url(img/title_bg2.jpg);
	background-position: left bottom;
}
.tb_ ul{
	height: 50px;
}
.tb_ li{
	float: left;
	height: 50px;
	line-height: 50px;
	width: 200px;
	cursor: pointer;
}
/* 用于控制显示与隐藏的css类 */
.normaltab {
	background-image: url(img/tab_li_hover.jpg);
	background-repeat: no-repeat;
	color: #64579D;
	font-weight: bold;
	font-size: 14px;
	text-align: center;
	background-position: right 0px;
}
.hovertab {
	font-weight: bold;
	font-size: 14px;
	color: #333333;
	background-image: url(img/tab_li2.jpg);
	text-align: center;
	overflow: hidden;
	background-repeat: no-repeat;
	background-position: right bottom;
}
.tab_dis{display:block;}
.tab_undis{display:none;}