function updateTimeLabel(time) {
var btn = $("#btnLogin");
btn.fadeIn(1000);
btn.val(time <= 0 ? "提交" : ("" + (time) + "秒后可提交"));
var hander = setInterval(function() {
if (time <= 0) {
canSubmit = true;
hander = null;
btn.val("提交");
btn.css({ "cursor": "hand" }); //.attr("disabled",false);
}
else {
canSubmit = false;
btn.val("" + (time--) + "秒后可领取");
}
}, 1000);
}
updateTimeLabel(15);