/*

   120秒手机短信按钮倒计时

   */

    exports.sendmessage = function (name) {

        var second = 120;

        $(name).attr("disabled", true);

        var color = $(name).css('background-color');

        $(name).attr("style", "background-color : #c1c1c1");

        function update(num) {

            if (num == second) {

                $(name).attr("style", "background-color : "+color);

                $(name).text("获取验证码");

                $(name).attr("disabled", false);

            }

            else {

                var printnr = second - num;

                $(name).text(printnr + "秒后获取");

            }

        }

        function uupdate(i) {

            return function () {

                update(i);

            }

        }

        for (var i = 1; i <= second; i++) {

            setTimeout(uupdate(i), i * 1000);

        }

    }