function checkno(){

	var total_friend = f2.total_friend.value;
	var suggest = f2.suggest.value ;
	var total_lost = suggest-total_friend;
	
	alert("您好,此商品需要推薦"+suggest+"位朋友加入Umore超值會員才能領取,您還缺少"+total_lost+"位朋友喔,請繼續加油！");

}

  
function checkupaper(){

	var pr_no = f2.pr_no.value ;
	alert("您好,此商品需要利用手機直撥551202再按22，輸入“"+pr_no+"“即可預約，系統回傳簡訊即代表預約完成。（語音每秒0.15元)！");
	return false;

}

function checkyes(){

	document.f2.submit();

}