<body>
剩余时间：<span id="endtime">5</span>
<script type="text/javascript">
??? var CID = "endtime";
??? if (window.CID != null) {
??????? var iTime = document.getElementById(CID).innerText;
??????? var Account;
??????? RemainTime();
??? }
??? function RemainTime() {
??????? var iDay, iHour, iMinute, iSecond;
??????? var sDay = "", sHour = "", sMinute = "", sSecond = "", sTime = "";
??????? if (iTime >= 0) {
??????????? iDay = parseInt(iTime / 24 / 3600);
??????????? if (iDay > 0) {
??????????????? sDay = iDay + "天";
??????????? }
??????????? iHour = parseInt((iTime / 3600) % 24);
??????????? if (iHour > 0) {
??????????????? sHour = iHour + "小时";
??????????? }
??????????? iMinute = parseInt((iTime / 60) % 60);
??????????? if (iMinute > 0) {
??????????????? sMinute = iMinute + "分钟";
??????????? }
??????????? iSecond = parseInt(iTime % 60);
??????????? if (iSecond >= 0) {
??????????????? sSecond = iSecond + "秒";
??????????? }
??????????? if ((sDay == "") && (sHour == "")) {
??????????????? sTime = "<span style='color:darkorange'>" + sMinute + sSecond + "</font>";
??????????? }
??????????? else {
??????????????? sTime = sDay + sHour + sMinute + sSecond;
??????????? }
??????????? if (iTime == 0) {
??????????????? clearTimeout(Account);
??????????????? sTime = "<span style='color:green'>时间到了！</span>";
?????????????? // document.getElementById('<%= imgBtnSubmit.ClientID %>').click(); // ImageButton
??????????????
??????????? }
??????????? else {
??????????????? Account = setTimeout("RemainTime()", 1000);
??????????? }
??????????? iTime = iTime - 1;
??????? }
??????? else {
??????????? sTime = "<span style='color:red'>倒计时结束！</span>";
??????? }
??????? document.getElementById(CID).innerHTML = sTime;
??? }
?</script>
</body>