// JScript 文件

function setCookie(name, value)//cookies设置
{
    var argv = setCookie.arguments;
    var argc = setCookie.arguments.length;
    var expires = (argc > 2) ? argv[2] : null;
    if(expires!=null)
    {
        var LargeExpDate = new Date ();
        LargeExpDate.setTime(LargeExpDate.getTime() + (expires*1000*3600*24));
    }
    document.cookie = name + "=" + escape (value)+((expires == null) ? "" : ("; expires=" +LargeExpDate.toGMTString()));
}

function getCookie(name)//cookies读取
{
    var search = name + "="
    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
            return unescape(document.cookie.substring(offset, end))
        }
        else return ""
    }
}

function  clearCookie(name)  //cookies清除
{
    var now = new Date();
    var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);
    this.setCookie(name, '', yesterday);
}