когда-то давно делал:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=windows-1251" /><title>Документ без названия</title><style type="text/css">html, body { height:100%; margin:0; padding:0;}.main_hide { position: relative;}.show_hide { height: 1000px;}#shadow { display: block; background: url(grid.gif); position: absolute; top: 0; left: 0; width: 100%; height: 100%;}#denied { display: none; background: #252525; position: absolute; width: 250px; height: 60px; top: 0; left: 0;}.denied_title { font: bold 14px Verdana; color: #2166C2; margin: 15px auto; width: 215px;}.years_center { width: 250px; height: 60px; position: absolute; top: 400px; left: 500px;}.title_years { font: bold 14px Verdana; color: #2166C2; margin: 0 auto; width: 140px;}#yes { width: 100px; height: 40px; display: block; float: left; margin-right: 10px; background: url(yes.png);}#no { width: 100px; height: 40px; display: block; float: left; margin-left: 10px; background: url(no.png);}</style></head><body><div class="main_hide"> <div class="show_hide"> А это <a href="http://www.mysite.com">ссылка</a> по которой нельзя будет кликнуть после нажатия на кнопку. </div> <div id="shadow"> <div class="years_center"> <div id="denied"> <h1 class="denied_title">Доступ к сайту запрещен!</h1> </div> <h1 class="title_years">Вам есть 18?</h1> <a href="javascript:void(0);" id="yes" onclick="years(this,'shadow','links 1');"></a> <a href="javascript:void(0);" id="no" onclick="years(this,'denied','links 2');"></a> </div> </div></div><script type="text/javascript" language="javascript">var shadow = document.getElementById("shadow");var denied = document.getElementById("denied");var yes = document.getElementById("yes");var no = document.getElementById("no");function years(src,links) { if(src.id == "yes") { shadow.style.display = 'none'; setCookie(links,"1"); } else if(src.id == "no") { denied.style.display = 'block'; setCookie(links,"2"); }}if (getCookie("shadow")=="1") years(document.getElementById("yes"),"shadow","links 1");if (getCookie("denied")=="2") years(document.getElementById("no"),"denied","links 2");// Установить куки function setCookie(name, value) { var valueEscaped = escape(value); var expiresDate = new Date(); expiresDate.setTime(expiresDate.getTime() + 365 * 24 * 60 * 60 * 1000); // срок - 1 год, но его можно изменить var expires = expiresDate.toGMTString(); var newCookie = name + "=" + valueEscaped + "; path=/; expires=" + expires; if (valueEscaped.length <= 4000) document.cookie = newCookie + ";"; }// Получить куки function getCookie(name) { var prefix = name + "="; var cookieStartIndex = document.cookie.indexOf(prefix); if (cookieStartIndex == -1) return null; var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length); if (cookieEndIndex == -1) cookieEndIndex = document.cookie.length; return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex)); }</script></body></html>
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