产品对比弹出窗

<style>
*{ font-size:12px; margin:0; padding:0;}
ul, li {list-style: none outside none;}
.lc-pro-layer{ position: absolute;left:0; top:0;_width: 100%;overflow: hidden;z-index:999999;}
.lc-pro-layer .probox{display:block;position:fixed;_position:absolute;left:0;top:25%;_top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop,10)||0)-(parseInt(this.currentStyle.marginBottom,10)||300)));z-index: 1004;}
.loansfla-hid-iframe{width:250px; height:200px; z-index:-1}
.lc-pro-layer .probox .box{width:250px;height:200px;position: absolute;top: 0;left: 0;display: inline;z-index: 1002;}
.lc-pro-layer .probox .box .cer{width:198px;height:198px; border:1px solid #ccc; background:#ffefed; float:left}
.lc-pro-layer .probox .box .cer .prolist{ width:198px; height:150px; padding-top:10px; float:left;}
.lc-pro-layer .probox .box .cer .prolist .prodb{padding-left:10px;float:left}
.lc-pro-layer .probox .box .cer .prolist .prodb input{ width:20px; height:20px; float:left;}
.lc-pro-layer .probox .box .cer .prolist .prodb span{ width:160px; height:auto; line-height:20px; padding-left:5px; color:#000; float:left;}
.lc-pro-layer .probox .box .cer .btncc{ padding-top:10px; padding-left:20px; padding-bottom:10px;float:left}
.lc-pro-layer .probox .box .btn{ width:50px; height:auto; padding-top:20px; float:left}
.lc-pro-layer .probox .box .btn b{width:14px; height:125px; line-height:30px;font-size:14px; color:#fff;background:#fd5504;word-wrap: break-word;padding:20px 10px; float:left;}
.clearinput{width:70px;height:20px;border: 0 none; background:#f1f1f1; border:1px #999 solid; color:#666; cursor:pointer; float:left}
.dbinput{width:70px;height:20px;border: 0 none; background:#fd5504;border:1px #c21c06 solid;color:#fff;cursor:pointer; margin-left:20px;float:left}
.iecchh1{_height:1800px;}
</style>
<div class="lc-pro-layer iecchh1" id="gd1">
    <!--隐藏层内容 s-->
    <div class="probox" id="zzatm1">
        <iframe class="loansfla-hid-iframe" frameborder="0"></iframe>
        <div class="box">
            <div class="cer">
                <div class="prolist">
                    <div class="prodb">
                        <input type="checkbox" checked="checked" /><span>得利宝天添利得利宝天添利得利宝天添利得利宝天添利</span>
                    </div>
                </div>
                <div class="btncc">
                    <input class="clearinput" type="button"onclick="javas cript:cardbjs('0',3)" value="清  除">
                    <input class="dbinput" type="submit" value="比  较" >
                </div>
            </div>
            <div class="btn"><b>产吕对比</b></div>
        </div>
    </div>
</div>