<img src="static/image/common/kongbai.gif" width="100" height="5">

<div class="datu1">

    <div class="datu2"><!--{block/5}--></div>

</div>

.datu1{width:100%;overflow:hidden;}

.datu2{width:1440px;margin-left:-720px;left:50%;position:relative;}

static\js\common_extra.js

this.slidebar.style.bottom = '10px';

this.slidebar.style.left = '50%';