純CSS定位の固定浮動層コード不閃互換IE 6 8火狐Googleなど

/*  IE8               */
.fixed-bottom
{
    position: fixed; bottom: 0px; width: 1100px; left: 50%;  margin-left: -550px;
}

/*  IE6      */
* html,* html body /*   IE6  bug */
{
    background-image:url(about:blank);    /*            */
    background-attachment:fixed; /* prevent screen flash in IE6         ，     */
}
* html .fixed-top /* IE6      */
{
    position:absolute;bottom:auto;top:expression(eval(document.documentElement.scrollTop));
}
* html .fixed-right /* IE6      */ 
{
    position:absolute;right:auto;left:expression(eval(document.documentElement.scrollLeft+document.documentElement.clientWidth-this.offsetWidth)-(parseInt(this.currentStyle.marginLeft,10)||0)-(parseInt(this.currentStyle.marginRight,10)||0));
}
* html .fixed-bottom /* IE6      */
{
    position:absolute;bottom:auto;top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop,10)||0)-(parseInt(this.currentStyle.marginBottom,10)||0)));
}
* html .fixed-left /* IE6      */
{
    position:absolute;right:auto;left:expression(eval(document.documentElement.scrollLeft));
}

ページコード:

<div id="divFixed" class="fixed-bottom">
            <img src="images/nhzt/nhzt_bb2.jpg" alt="" border="0"  />
        </div>

中央固定スタイル:

        /*  IE8               */
        .fixed-middle        {
            position: fixed; left:50%; top: 50%;  margin-top: -80px;margin-left:-155px;
        }

        /*  IE6      */
        * html,* html body /*   IE6  bug */
        {
            background-image:url(about:blank);    /*            */
            background-attachment:fixed; /* prevent screen flash in IE6         ，     */
        }
        * html .fixed-middle /* IE6      */
        {
            position:absolute;
            bottom:auto;top:expression(eval(document.documentElement.scrollTop) + document.documentElement.clientHeight/2 - this.offsetHeight/2);
            margin-top:0px;
        }