var nn4 = (document.layers);
var nn6 = (document.getElementById && !document.all);
var ie4 = (document.all && !document.getElementById);
var ie5 = (document.all && document.getElementById);
var divCurrent=0;

function popup(divNumber) {

 var divName='popup';
 if(divCurrent!=0) {
   var divHide=divName+divCurrent;
   if (nn4) document.layers[divHide].display='none';
   else if (nn6 || ie5) document.getElementById(divHide).style.display='none';
   else if (ie4) document.all(divHide).style.display='none';
 }
 if(divNumber!=0) {
   var divShow=divName+divNumber;
   if (nn4) document.layers[divShow].display='block';
   else if (nn6 || ie5) document.getElementById(divShow).style.display='block';
   else if (ie4) document.all(divShow).style.display='block';
 }
 divCurrent=divNumber;
}

function loadCookies() {
  cookieArray2={}
  if(document.cookie){
    cookieArray=document.cookie.split(";");
    for(i in cookieArray){
      cookieArray2[cookieArray[i].split("=")[0].replace(/ /g,"")]=cookieArray[i].split("=")[1].replace(/ /g,"");
    }
  }
  return cookieArray2;
}

function saveCookie(name,value,expire_time) {
  document.cookie=name+"="+value+";expires="+new Date(new Date().getTime() + expire_time * 1000).toGMTString();
}

var COOKIES = loadCookies();

function onclose(obj) {
  if (COOKIES && typeof COOKIES.slevovaakce == 'undefined') {
    saveCookie('slevovaakce',1,30*24*60*60)
  }
  obj.style.display='none';
}