/* 主菜单 */
#nav { width:714px; height:49px; overflow:hidden; margin:0px; padding:0px;}
#nav1,#nav1 a,#nav2,#nav2 a,#nav3,#nav3 a,#nav4,#nav4 a,#nav5,#nav5 a,#nav6,#nav6 a,#nav7,#nav7 a {
	display:block; width:102px; height:49px; overflow:hidden; }
#nav li { float:left; }
#nav1,#nav1 a { display:block; width:102px;	height:49px; float:left; background:url(../cn/images/top_nav.gif);}
#nav1 a:hover { background:url(../cn/images/top_nav.gif) 0 -49px }
#nav2 a {background:url(../cn/images/top_nav.gif) -102px 0 }
#nav2 a:hover {background:url(../cn/images/top_nav.gif) -102px -49px }
#nav3 a {background:url(../cn/images/top_nav.gif) -204px 0 }
#nav3 a:hover {background:url(../cn/images/top_nav.gif) -204px -49px }
#nav4 a {background:url(../cn/images/top_nav.gif) -306px 0 }
#nav4 a:hover {background:url(../cn/images/top_nav.gif) -306px -49px }
#nav5 a {background:url(../cn/images/top_nav.gif) -408px 0 }
#nav5 a:hover {background:url(../cn/images/top_nav.gif) -408px -49px }
#nav6 a {background:url(../cn/images/top_nav.gif) -510px 0 }
#nav6 a:hover {background:url(../cn/images/top_nav.gif) -510px -49px }
#nav7 a {background:url(../cn/images/top_nav.gif) -612px 0 }
#nav7 a:hover {background:url(../cn/images/top_nav.gif) -612px -49px }
#page_1 #nav #nav1 a#cur1 {background:url(../cn/images/top_nav.gif) 0 -49px }
#page_2 #nav #nav2 a#cur2 {background:url(../cn/images/top_nav.gif) -102px -49px }
#page_3 #nav #nav3 a#cur3 {background:url(../cn/images/top_nav.gif) -204px -49px }
#page_4 #nav #nav4 a#cur4 {background:url(../cn/images/top_nav.gif) -306px -49px }
#page_5 #nav #nav5 a#cur5 {background:url(../cn/images/top_nav.gif) -408px -49px }
#page_6 #nav #nav6 a#cur6 {background:url(../cn/images/top_nav.gif) -510px -49px }
#page_7 #nav #nav7 a#cur7 {background:url(../cn/images/top_nav.gif) -612px -49px }

/* 二主菜单 */
#snav { width:714px; height:50px; overflow:hidden; margin:0px; padding:0px;}
#snav1,#snav1 a,#snav2,#snav2 a,#snav3,#snav3 a,#snav4,#snav4 a,#snav5,#snav5 a,#snav6,#snav6 a,#snav7,#snav7 a {
	display:block; width:102px; height:50px; overflow:hidden; }
#snav li { float:left; }
#snav1,#snav1 a { display:block; width:102px;	height:50px; float:left; background:url(../cn/images/down_nav.gif);}
#snav1 a:hover { background:url(../cn/images/down_nav.gif) 0 -50px }
#snav2 a {background:url(../cn/images/down_nav.gif) -102px 0 ;}
#snav2 a:hover {background:url(../cn/images/down_nav.gif) -102px -50px }
#snav3 a {background:url(../cn/images/down_nav.gif) -204px 0 }
#snav3 a:hover {background:url(../cn/images/down_nav.gif) -204px -50px }
#snav4 a {background:url(../cn/images/down_nav.gif) -306px 0 }
#snav4 a:hover {background:url(../cn/images/down_nav.gif) -306px -50px }
#snav5 a {background:url(../cn/images/down_nav.gif) -408px 0 }
#snav5 a:hover {background:url(../cn/images/down_nav.gif) -408px -50px }
#snav6 a {background:url(../cn/images/down_nav.gif) -510px 0 }
#snav6 a:hover {background:url(../cn/images/down_nav.gif) -510px -50px }
#snav7 a {background:url(../cn/images/down_nav.gif) -612px 0 }
#snav7 a:hover {background:url(../cn/images/down_nav.gif) -612px -50px }
#spage_1 #snav #snav1 a#scur1 {background:url(../cn/images/down_nav.gif) 0 -50px }
#spage_2 #snav #snav2 a#scur2 {background:url(../cn/images/down_nav.gif) -102px -50px }
#spage_3 #snav #snav3 a#scur3 {background:url(../cn/images/down_nav.gif) -204px -50px }
#spage_4 #snav #snav4 a#scur4 {background:url(../cn/images/down_nav.gif) -306px -50px }
#spage_5 #snav #snav5 a#scur5 {background:url(../cn/images/down_nav.gif) -408px -50px }
#spage_6 #snav #snav6 a#scur6 {background:url(../cn/images/down_nav.gif) -510px -50px }
#spage_7 #snav #snav7 a#scur7 {background:url(../cn/images/down_nav.gif) -612px -50px }