function getAbsoluteLeft(obj)
    { var s_el = 0; el = obj; while (el) { s_el = s_el + el.offsetLeft; el = el.offsetParent; }; return s_el }
    var persistclose = 0 //设置0到1. 设置1的话 一次性显示手动关闭, 看过一次的以后不会再显示（COOKIE）
    var startX = 0 //getAbsoluteLeft(document.getElementById('rightpart'));  //设置水平坐标

    var startY = document.documentElement.clientHeight - 20;   //设置垂直坐标
var verticalpos = "fromtop" //"fromtop"从上面出现 "frombottom" 从下面出现

function iecompattest()
{
    return (document.compatMode && document.compatMode != "BackCompat") ? document.documentElement : document.body
}

function get_cookie(Name)
{
    var search = Name + "="
    var returnvalue = "";
    if (document.cookie.length > 0)
    {
        offset = document.cookie.indexOf(search)
        if (offset != -1)
        {
            offset += search.length
            end = document.cookie.indexOf(";", offset);
            if (end == -1) end = document.cookie.length;
            returnvalue = unescape(document.cookie.substring(offset, end))
        }
    }
    return returnvalue;
}

function staticbar()
{
    barheight = document.getElementById("floatbar").offsetHeight
    var ns = (navigator.appName.indexOf("Netscape") != -1) || window.opera;
    var d = document;
    function ml(id)
    {
        var el = d.getElementById(id);
        if (!persistclose || persistclose && get_cookie("remainclosed") == "")
            el.style.visibility = "visible"
        if (d.layers) el.style = el;
        el.sP = function(x, y) { this.style.left = x + "px"; this.style.top = y + "px"; };
        el.x = startX;
        if (verticalpos == "fromtop")
            el.y = startY;
        else
        {
            el.y = ns ? pageYOffset + innerHeight : iecompattest().scrollTop + iecompattest().clientHeight;
            el.y -= startY;
        }
        return el;
    }
    window.stayTopLeft = function()
    {
        if (verticalpos == "fromtop")
        {
            var pY = ns ? pageYOffset : iecompattest().scrollTop;
            ftlObj.y += (pY + startY - ftlObj.y) / 5;
        }
        else
        {
            var pY = ns ? pageYOffset + innerHeight - barheight : iecompattest().scrollTop + iecompattest().clientHeight - barheight;
            ftlObj.y += (pY - startY - ftlObj.y) / 5;
        }
        ftlObj.sP(ftlObj.x, ftlObj.y);
        setTimeout("stayTopLeft()", 5);
    }
    ftlObj = ml("floatbar");
    stayTopLeft();
}

if (window.addEventListener)
    window.addEventListener("load", staticbar, false)
else if (window.attachEvent)
    window.attachEvent("onload", staticbar)
else if (document.getElementById)
    window.onload = staticbar