/**
 * Obsluga Cookies
 */

function cookie_ustaw (name,value,expires,path,domain,secure) {
  document.cookie = name + "=" + escape (value) +
  ((expires) ? "; expires=" + expires.toGMTString() : "") +
  ((path) ? "; path=" + path : "") +
  ((domain) ? "; domain=" + domain : "") +
  ((secure) ? "; secure" : "");
}

function cookie_pobierz_wartosc(offset) {
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1){
      endstr = document.cookie.length;
  }
  return unescape(document.cookie.substring(offset, endstr));
}

function cookie_pobierz (name) {

  var arg = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;
  while (i < clen) {
      var j = i + alen;
      if (document.cookie.substring(i, j) == arg){
          return cookie_pobierz_wartosc(j);
      }
      i = document.cookie.indexOf(" ", i) + 1;
      if (i == 0) break;
  }
  return null;

}