/* for this demo only */
#nav {
	margin:10px 0 40px 0;
	text-align: center;
}

/* the styling */
#nav {float:left; padding-left:10px; width:925px; height:auto;background: url("../images/menu_bg.png") repeat-x bottom;}

#nav .select, #nav .current {margin:2.6em 0 0 0; padding:0; list-style:none; display:block; float:left;}

#nav .sub {margin:0; padding:0; list-style:none;}

#nav li {display:block; float:left; margin:0; padding:0; position:relative; z-index:100;}
#nav .current li {z-index:50;}

#nav .select a, 
#nav .current a {display:block; height:2.5em; float:left; width:100px; background:url("../images/left_both.gif") no-repeat left top; padding:0 0 0 9px; border-bottom:1px solid #765; text-decoration:none; font-weight:bold; line-height:2.4em; white-space:nowrap;}

/* calculate the required widths of the top level */
#nav .one a {width:10em;}
#nav .two a {width:8em;}
#nav .three a {width:8em;}
#nav .four a {width:6em;}
#nav .five a {width:6em;}
#nav .six a {width:6em;}
#nav .seven a {width:6em;}

/* 一级栏目背景及文字样式 */
#nav .select a b, 
#nav .current a b {
	height:100%;
	display:block;
	background:url("../images/right_both.gif") no-repeat right top;
	padding:0 15px 0 6px;
	color:#000000;
}

#nav .sub {display:none;}

/* for IE5.5 and IE6 only */
#nav table {position:absolute; border-collapse:collapse; left:0; top:0; font-size:1em;}

#nav .select a:hover b {color:#000; cursor:pointer;}

#nav .current a {background-position:0 -150px;}
#nav .current a b {background-position:100% -150px; color:#FFFFFF;}/* 当前一级栏目文字样式 */

#nav .sub li a:hover, 
#nav .select a:hover .sub li a:hover, 
#nav .select li:hover .sub li a:hover {border-color:#1A5B92; background:#6FA0C9; color:#fff;}/* 二级栏目点击样式 */

#nav .current .sub .current_sub a, 
#nav .current .sub a:hover {border-color:#1A5B92; background:#6FA0C9; color:#fff;}/* 当前一级栏目的二级栏目点击样式 */

#nav .current .sub, 
#nav .select a:hover .sub, 
#nav .select li:hover .sub {display:block; position:absolute; width:925px; top:2.5em; background: url("../images/menu_bg2.png") repeat-x bottom; margin-top:0px; padding:10px 0 10px 10px;}

* html #nav .current .sub, * html #nav .select a:hover .sub {margin-top:0; margin-t\op:0px;}

#nav .current .sub li a, 
#nav .select a:hover .sub li a, 
#nav .select li:hover .sub li a {display:inline; background:#6FA0C9; border:1px solid #1A5B92; padding:0 10px; margin:-1px 10px 0 0; width:auto; white-space:nowrap; font-weight:normal; font-size:0.9em; height:2em; line-height:1.9em;}/* 正常状态下二级栏目样式 */

#nav .select a:hover, 
#nav li:hover a {background-position:0% -150px; border-color:#fff;}

#nav .select a:hover b, 
#nav .select li:hover a b {background-position:100% -150px; border-color:#fff; color:#fff;}/* 二级栏目鼠标移过去样式 */

/* calculate the left edge position of each sub level */
#nav .one .sub {left:-10px;}
#nav .two .sub {left:-130px; margin-left:-9px;}
#nav .three .sub {left:-18.8em; margin-left:-18px;}
* html #nav .three .sub {margin-left:-9px; marg\in-left:-18px;}
#nav .four .sub {left:-26.8em; margin-left:-27px;}
* html #nav .four .sub {margin-left:-18px; marg\in-left:-27px;}
#nav .five .sub {left:-33.6em; margin-left:-27px;}
#nav .six .sub {left:-40.3em; margin-left:-27px;}
#nav .seven .sub {left:-47.1em; margin-left:-27px;}