function checkCookie(){
   setCookie("CookieTest", "OK")
   if (!getCookie("CookieTest"))
      return false
   else{
      eraseCookie("CookieTest")
      return true
   }
}
function setCookie(name, wert, domain, expires, 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 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 getAktTime(){	
	var today = new Date();
	today.setTime( today.getTime() );
	var expires =  1000 * 60 * 60 * 24;
	var expires_date = new Date( today.getTime() + (expires) );
	var Jetzt = expires_date.toGMTString();
	return Jetzt;
}

function getCookie(name){
   var i=0  //Suchposition im Cookie
   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
}