.HomeJs{ width:1000px; position:relative; height:483px; z-index:10; overflow:hidden; margin:0 auto;}
.f dl{ position:relative;}
.f dd{ width:1000px;text-align:center; margin:0; padding:0}
.f dd img{ height:410px; width:990px;  margin:0; padding:0}
.f dd.n{ display:none;}
.f dt{ position:absolute; top:426px; z-index:100; text-align:center; width:100%;height:24px;}
.f dt i{ display:inline-block; height:24px; width:25px; cursor:pointer;}
.f dt i b{ display:block; height:24px; width:25px;}

.f dt i b.b1{ background:url(../ad/on.png) no-repeat left top;}
.f dt i b.b2{ background:url(../ad/on.png) no-repeat -22px top;}
.f dt i b.b3{ background:url(../ad/on.png) no-repeat -47px top;}
.f dt i b.b4{ background:url(../ad/on.png) no-repeat -72px top;}
.f dt i b.b5{ background:url(../ad/on.png) no-repeat right top;}

.f dt i.c b.b1{ background:url(../ad/on.png) no-repeat left -35px;}
.f dt i.c b.b2{ background:url(../ad/on.png) no-repeat -22px -35px;}
.f dt i.c b.b3{ background:url(../ad/on.png) no-repeat -47px -35px;}
.f dt i.c b.b4{ background:url(../ad/on.png) no-repeat -72px -35px;}
.f dt i.c b.b5{ background:url(../ad/on.png) no-repeat right -35px;}

.homebg_left,.homebg_right,.homebg_top,.homebg_bottom{ position:absolute; z-index:10;}
.homebg_left,.homebg_right{ height:483px;width:50px; }
.homebg_left{ background:url(../ad/homebanbg_left.png) no-repeat 0 0; left:0px; top:0px;}
.homebg_right{background:url(../ad/homebanbg_right.png) no-repeat 0 0;right:0px; top:0px;}
.homebg_top{ background:url(../ad/homebanbg_top.png) no-repeat; width:900px; height:40px; top:0px; left:50px;}
.homebg_bottom{ background:url(../ad/homebanbg_bottom.png) no-repeat; width:900px; height:145px; bottom:0px; left:50px;_top:338px;}