第一个不知道,,第二个:
<input type=submit name=submit value="提交" onClick="this.disabled=true; document.myform.submit();">
<input type=submit name=submit value="提交" onClick="this.disabled=true; document.myform.submit();">
<INPUT name=agreeit type=submit value="(5 秒后继续)">
</form>
.
.
<SCRIPT language=javascript> var secs = 5; document.agree.agreeit.disabled=true; for(i=1;i<=secs;i++) {
window.setTimeout("update(" + i + ")", i * 1000);
} function update(num) {
if(num == secs) {
document.agree.agreeit.value =" 我 同 意 ";
document.agree.agreeit.disabled=false;
} else { printnr = secs-num;
document.agree.agreeit.value = printnr +" 秒后继续";
}}</SCRIPT>