javascript:
function setcookie(name, value, expires, path, domain, secure) {
// Send a cookie
//
// + original by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
expires instanceof Date ? expires = expires.toGMTString() : typeof(expires) == 'number' && (expires = (new Date(+(new Date) + expires * 1e3)).toGMTString());
var r = [name + "=" + escape(value)], s, i;
for(i in s = {expires: expires, path: path, domain: domain}){
s[i] && r.push(i + "=" + s[i]);
}
return secure && r.push("secure"), document.cookie = r.join(";"), true;
}
//Примеры:
alert ( setcookie('author_name', 'Kevin van Zonneveld') );