60秒倒计时的一个小JAVASCRIPT

<table name=agree border="0" cellpadding="10" cellspacing="0" align=center width="80%">
<tr align=center>
<td width="50%" align="right">
<FORM name=register method=post action=reg_shang.asp?action=yes>
<input type="hidden" name="action" value="agree"><INPUT class="go-wenbenkuang" type=submit value=" 同意注册 " name=Submit>
</FORM>
</td>
<td width="50%" align="left">
<FORM action=index.asp method=post><INPUT class=go-wenbenkuang type=submit value=" 我不同意 "></FORM></td>
</tr>
</table><script>
secs = 60; // Number of secs to delay -CHINA-studio
wait = secs * 100;
document.forms.register.Submit.disabled =true;
for(i=1;i<=(wait/100);i++) {
window.setTimeout("doUpdate(" + i + ")", i * 100);
}
window.setTimeout("Timer()", wait); function doUpdate(num) {
if(num == (wait/100)) {
document.forms.register.Submit.value = " 同意注册 ";
} else {
wut = (wait/100)-num;
document.forms.register.Submit.value = " 同意前请先阅读 (" + wut + ")";
}
} function Timer() {
document.forms.register.Submit.disabled =false;
}
</script>
php爱好者站 http://www.ｐｈｐfans.net 网页特效|网页模板