function setCookie() {
	var a = new Date();
	a = new Date(a.getTime() +1000*60*60*24*365);
	document.cookie = 'musonews=yes; expires='+a.toGMTString()+';'; 
}

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 '';
}

function openNLPopUp() {
	if(document.cookie && getCookie('musonews')) {

	} else {
		setCookie(); 
		document.getElementById('popup').style['display']='block';
	}
}