<script language=JavaScript >
function xieyi_Click(val)
{
switch(val)
{
case "Yes":
this.BtOk.disabled=false;
break;
case "No":
this.BtOk.disabled=true;
break;
}
}
</script>
<input name=xieyi type=radio value=Accept onClick=xieyi_Click('Yes'); > 同意
<input name=xieyi type=radio value=Not onClick=xieyi_Click('No'); >不同意
<input name=BtOk type=button value=确定 disabled >