创建cookie

//创建cookie
CloudShareCommon.prototype.setCookie = function (name, expireday) {
    var exp = new Date();
    exp.setTime(exp.getTime() + expireday * 60 * 1000); //设置cookie的期限
    document.cookie = name + "=true" + "; expires" + "=" + exp.toGMTString(); //创建cookie
}