function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

function nastav_oslovenia(){
  cas=new Date();
  cas.setTime(cas.getTime()+1000*3600*24*14);
  x=window.prompt('Ako chcete byť oslovený?',getCookie('OSLOVENI')); 
  if(x!=null) document.cookie="OSLOVENI="+escape(x)+"; EXPIRES="+cas.toGMTString();
  oslovenie();
}

function oslovenie(){       
  v=getCookie("OSLOVENIE");
  var id=document.getElementById("oslovenie");     
  if(id!=null){
    if(v!=null && v!='') 
	   id.innerHTML='Vítajte '+v; 
      else id.innerHTML='';
  }
}

 styl=getCookie("design"); 
        if(styl==null || styl=="") styl="style"; 
        if(styl!="none") document.write('<link rel="stylesheet" type="text/css" href="'+styl+'.css" media="all" />');