<HTML><HEAD><TITLE> New Document </TITLE></HEAD><BODY><form> <input type="submit" name="agree" value="同 意"> <input type="button" name="diagree" value="不同意" "></form>
<script language="javascript">
var sec = 3; var wait = sec * 1000; document.all.agree.value = "同意("+sec+")"; document.all.agree.disabled = true; for(i=1;i<sec;i++)
{
window.setTimeout("update("+i+")",i*1000);
} window.setTimeout("timer()",wait); function update(num) { if(num == wait/1000) { document.all.agree.value="同意"; } else { dsec = (wait/1000)-num; document.all.agree.value = "同意("+dsec+")"; } } function timer() { document.all.agree.disabled = false; document.all.agree.value ="同 意";
}</script></BODY></HTML>