function setCookie(name, wert, expires, domain, path, secure){
	var cook = name+"="+unescape(wert);
	cook += (domain) ? "; domain="+ domain : "";
	cook += (expires) ? "; expires="+expires : "";
	cook += (path) ? "; path="+path : "";
	cook += (secure) ? "; secure" : "";
	document.cookie = cook;
}

function getCookie(name){
	var i=0;
	var suche = name+"=";
	
	while(i<document.cookie.length){
		if (document.cookie.substring(i, i+suche.length)==suche){
			var ende = document.cookie.indexOf(";", i+suche.length);
			ende = (ende>-1) ? ende : document.cookie.length;
			var cook = document.cookie.substring(i+suche.length, ende);
			return unescape(cook);
		}
		i++;
	}
	return null;
}

function eraseCookie(name, domain, path){
	var cook="name=; expires=Thu, 01-Jan-70 00:00:01 GMT";
	cook += (domain) ? "domain="+domain : "";
	cook += (path) ? "path="+path : "";
	document.cookie = cook;
}

function checkCookie(){
	setCookie("CookieTest", "OK");
	if(!getCookie("CookieTest"))
		return false;
	else{
		eraseCookie("CookieTest");
		return true;
	}
}