[转载] cookie、JS记录及跳转到页面原来的位置

额....如下

 <!-- 定位页面的 Cookie

    function SetCookie(sName, sValue)
    {
        date = new Date();
        s = date.getDate();
        date.setDate(s+1);            //expire time is one month late!, and can't be current date!
        document.cookie = sName + "=" + escape(sValue) + "; expires=" + date.toGMTString();
    }
    function GetCookie(sName)
    {
        // cookies are separated by semicolons
        var aCookie = document.cookie.split("; ");
        for (var i=0; i < aCookie.length; i++)
        {
        // a name/value pair (a crumb) is separated by an equal sign
        var aCrumb = aCookie[i].split("=");
        if (sName == aCrumb[0]) {
            return unescape(aCrumb[1]);}
        } 

        // a cookie with the requested name does not exist
        return null;
    } 

    function fnLoad()
    {
        document.documentElement.scrollLeft = GetCookie("scrollLeft");
        document.documentElement.scrollTop = GetCookie("scrollTop");
    } 

    function fnUnload()
    {
        SetCookie("scrollLeft", document.documentElement.scrollLeft)
        SetCookie("scrollTop", document.documentElement.scrollTop)
    } 

    window.onload = fnLoad;
    window.onunload = fnUnload; 

    // -->