js右侧浮动层(随上下滚动)

js右侧浮动层(随上下滚动)
Code：

  1<script type="text/javascript">
  2    var Choose={
  3        tip : null,
  4        top : 10,
  5        old : 10,
  6        min : false,
  7        init : function() {
  8            this.tip = document.getElementById('choosediv');
  9            this.moveTip();
 10        },
 11        moveTip : function() {
 12            var time=10;
 13            var pos;
 14            if (window.innerHeight)
 15                pos = window.pageYOffset
 16            else if (document.documentElement && document.documentElement.scrollTop)
 17                pos = document.documentElement.scrollTop
 18            else if (document.body) 
 19                pos = document.body.scrollTop;
 20            pos=pos-Choose.tip.offsetTop+Choose.top;
 21            pos=Choose.tip.offsetTop+pos/10;
 22            if (pos < Choose.top) 
 23                pos = Choose.top;
 24            if (pos != Choose.old)
 25                Choose.tip.style.top = pos+"px";
 26            Choose.old = pos;
 27            setTimeout(Choose.moveTip,time);
 28        },
 29        resize : function(obj) {
 30            var tb=document.getElementById("cotb");
 31            var rows=tb.rows.length;
 32            if(this.min){
 33                obj.src='http://localhost:8080/cys2/image/sortmap02_unaction.gif';
 34                obj.title='最小化';
 35                this.min=false;
 36            }
 37            else{
 38                obj.src='http://localhost:8080/cys2/image/sortmap03_action.gif';
 39                obj.title='最大化';
 40                this.min=true;
 41            }
 42            if(rows>2){
 43                var show=this.min?'none':'block';
 44                for (var i = 1; i <rows; i++)
 45                    tb.rows[i].style.display=show;
 46            }
 47        },
 48        close : function() {
 49            document.getElementById("choosediv").style.display='none';
 50        }
 51    };
 52</script>
 53<style type="text/css">
 54
 55</style>
 56<style type="text/css">
 57    body{}{margin:0;padding:0}
 58    #choosediv{}{z-index: 9999;position: absolute; top: 10px;width:100%;border:red  0px solid;padding:0;margin:0}
 59    #choosediv div{}{width:200px;border:red 1px solid;background-color: #FFF}
 60    #choosediv table{}{width:200px;font-size:13px}
 61    #choosediv td{}{padding:5px}
 62    #cotitle td{}{padding:0px 5px;height:30px;border-bottom:red 1px solid;font-weight:bold;background-image: url(shttp://localhost:8080/cys2/image/smap01.gif)}
 63    #cotitle img{}{margin:4px 0 0 2px;cursor:pointer}
 64    .clear{}{text-align:right;padding-right:7px}
 65    #choosediv th{}{text-align:left;padding-left:7px;font-weight:normal}
 66    .clearall{}{text-align:right;border-top:red 1px solid;height:30px}
 67</style>
 68
 69
 70<div id='choosediv' align='right'>
 71    <div>
 72        <table id='cotb' border='0' cellpadding='0' cellspacing='0'>
 73            <tr id='cotitle'>
 74                <td>您选中对比的资源</td>
 75                <td align="right">
 76                    <img onclick='Choose.resize(this)' src='http://localhost:8080/cys2/image/sortmap02_unaction.gif' width='21' height='21' title='最小化' /><img onclick='Choose.close()' src='http://localhost:8080/cys2/image/sortmap04_action.gif' width='21' height='21' title='关闭' />
 77                </td>
 78            </tr>
 79            <tr><th>河婆茶</th><td class='clear'><a href="javascript:void(0)" onclick=''>清除</a></td></tr>
 80            <tr><th>河婆茶</th><td class='clear'><a href="javascript:void(0)" onclick=''>清除</a></td></tr>
 81            <tr><th>河婆茶</th><td class='clear'><a href="javascript:void(0)" onclick=''>清除</a></td></tr>
 82            <tr><th>河婆茶</th><td class='clear'><a href="javascript:void(0)" onclick=''>清除</a></td></tr>
 83            <tr><th>河婆茶</th><td class='clear'><a href="javascript:void(0)" onclick=''>清除</a></td></tr>
 84            <tr><th>河婆茶</th><td class='clear'><a href="javascript:void(0)" onclick=''>清除</a></td></tr>
 85            <tr><th>河婆茶</th><td class='clear'><a href="javascript:void(0)" onclick=''>清除</a></td></tr>
 86            <tr><th>河婆茶</th><td class='clear'><a href="javascript:void(0)" onclick=''>清除</a></td></tr>
 87            <tr><th>河婆茶</th><td class='clear'><a href="javascript:void(0)" onclick=''>清除</a></td></tr>
 88            <tr><th>河婆茶</th><td class='clear'><a href="javascript:void(0)" onclick=''>清除</a></td></tr>
 89            <tr>
 90                <td colspan='2' class='clearall'>
 91                    <a href="javascript:void(0)" onclick=''>全部清除</a>
 92                    <a href="javascript:void(0)" onclick=''>立即对比</a>
 93                </td>
 94            </tr>
 95        </table>
 96    </div>
 97</div>
 98
 99
100<script language="JavaScript">Choose.init();</script>
101sfdsf
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/Files/sunjun/choose.rar