//修改DIV隐藏状态
function Updiv_Public(div) {
    var div = document.getElementById(div);
    if (div.style.display == 'none') {
        div.style.display = 'block';
    }
    else {
        div.style.display = 'none';
    }
}

//刷新验证码
function ShowValidImage_Public(id) {
    var numkey = Math.random();
    document.getElementById(id).src = "/ShowFram/ValueImg.aspx?NumKey=" + numkey;
}

//修改ifr地址
function UpIframe_Public(id, url) {
    document.getElementById(id).src = url;
}

//子窗体引用跳转
function Uphref(URL) {
    window.parent.window.location.href = URL
}

/* 添加/删除 cookie (cookie名称, cookie值, cookie天数); */
function setCookie(NameOfCookie, value, expiredays) {
    //@参数:三个变量用来设置新的cookie: 
    //cookie的名称,存储的Cookie值, 
    // 以及Cookie过期的时间. 
    // 这几行是把天数转换为合法的日期 

    var ExpireDate = new Date();
    ExpireDate.setTime(ExpireDate.getTime() + (expiredays * 24 * 3600 * 1000));

    // 下面这行是用来存储cookie的,只需简单的为"document.cookie"赋值即可. 
    // 注意日期通过toGMTstring()函数被转换成了GMT时间。 

    document.cookie = NameOfCookie + "=" + escape(value) +
  ((expiredays == null) ? "" : "; expires=" + ExpireDate.toGMTString());
}

/* 获取 cookie */
function getCookie(name) {
    if (document.cookie != undefined && document.cookie != "") {
        if (document.cookie.length) {
            var c_start = document.cookie.indexOf(name + '=');
            if (c_start !== -1) {
                c_start = c_start + name.length + 1;
                var c_end = document.cookie.indexOf(';', c_start);
                if (c_end === -1) {
                    c_end = document.cookie.length;
                }
                var op = document.cookie.substring(c_start, c_end).replace(/[+]/g, '%20');
                return decodeURIComponent(op);
            }
        }
    }
    return '';
}