.lvs_scrollTop{ width:100px; height:300px; position:fixed; right:4px; top:30%;margin-top:-100px; _margin-top:0;_position:absolute;_top:expression(documentElement.scrollTop + documentElement.clientHeight/2-this.offsetHeight/2); z-index:555555;}
.gokefu{ width:100px; height:100px; display:block; background:url(../images/scrollTop.png) no-repeat;}
.gokefu:hover{ background:url(../images/scrollTop.png) no-repeat 0 -210px;}
.goqq{ width:100px; height:100px; display:block; background:url(../images/scrollTop.png) no-repeat 0 -100px;}
.goqq:hover{ background:url(../images/scrollTop.png) no-repeat 0 -310px;}
.pnumber{ width:100px; height:100px; background:url(../images/scrollTop.png) no-repeat 0 -410px;}
html{_text-overflow:ellipsis;} /*解决IE6下图片抖动*/ 
p{ padding:0; margin:0;}

 .lvs_scrollTop_l{ width:100px; height:300px; position:fixed; left:4px; top:50%;margin-top:-100px; _margin-top:0;_position:absolute;_top:expression(documentElement.scrollTop + documentElement.clientHeight/2-this.offsetHeight/2); z-index:555555;}