function setCookieN(name, value, expires, path, domain, secure ) {
 var today = new Date();
 today.setTime(today.getTime());

 if (expires) {
  expires = expires * 1000 * 60 * 60 * 24;
 }

 var expires_date = new Date( today.getTime() + (expires) );
 document.cookie = name+'='+escape(value) +
 ((expires) ? ';expires='+expires_date.toGMTString() : '') + 
 ((path) ? ';path=' + path : '') +
 ((domain) ? ';domain=' + domain : '') +
 ((secure) ? ';secure' : '');
}

function getCookieN(name) {
 var start = document.cookie.indexOf( name + "=" );
 var len = start + name.length + 1;
 if ((!start) && (name != document.cookie.substring(0, name.length))) {
  return null;
 }
 if ( start == -1 ) return null;
 var end = document.cookie.indexOf( ';', len );
  if ( end == -1 ) end = document.cookie.length;
  return unescape( document.cookie.substring( len, end ) );
}

function deleteCookieN(name,path,domain) {
 if(getCookie(name)) document.cookie = name + '=' +
   ((path) ? ';path=' + path : '') +
   ((domain) ? ';domain=' + domain : '') +
   ';expires=Thu, 01-Jan-1970 00:00:01 GMT';
}