ymck-2  必须点击广告才能进入页面：

<script language="JavaScript">
var num = 2; var mypage = 'http://点击标语的链接地址'; var pissoff = ' 未点击广告弹出的信息';
allow = Array(); allow[num] = 2; function gotoit(link){
if (link != num){; allow[link] = 2; } else {; for (i=1;i<=num;i++){; if (allow[i] != 2){
i = num + 1; lemmeIn = 0; } else {; lemmeIn = 1; }; }
if (lemmeIn == 1){; window.location = mypage; } else {; alert(pissoff); }; }; }
</script>
<a href="http://标语链接地址" onClick="gotoit(1)" target="_blank"><u>广告标语</u></a><BR>
<a href="javascript:gotoit(num)"><u>访问后才能点击的标语</u></a><BR>
<script language="JavaScript">
document.write('<a href="http://点击标语的链接地址" target="_top"></a>'); </script>