function changecookie(){

if(document.commentform.cookiebox.checked) 
	setcookie();
else
	deletecookie();
}

function setcookie() {

	name = document.commentform.name.value;
	mail = document.commentform.mail.value;
	url = document.commentform.url.value;

	if(!name) return;

    var expires = new Date();
    expires.setTime(expires.getTime() + 365 * 24 * 60 * 60 * 1000);
    document.cookie = "name=" + escape(name) + "; path=/; expires=" + expires.toGMTString() ;
    document.cookie = "url=" + escape(url) + "; path=/; expires=" + expires.toGMTString() ;
    document.cookie = "mail=" + escape(mail) + "; path=/; expires=" + expires.toGMTString() ;

//	alert(document.cookie);

}

function getcookie(key){

    key = key + '=';
    cstr = document.cookie;

    from = cstr.indexOf(key);
    if (from == -1) return "";

    to = cstr.indexOf(";", from + key.length);
    if (to == -1) to = cstr.length;

    return unescape(cstr.substring(from + key.length, to));

}

function deletecookie() {

	document.cookie = "name=; path=/; expires=Thu, 01-Jan-70 00:00:01 GMT";
	document.cookie = "url=; path=/; expires=Thu, 01-Jan-70 00:00:01 GMT";
	document.cookie = "mail=; path=/; expires=Thu, 01-Jan-70 00:00:01 GMT";

}