function kuk(id_obj){
  var obj=document.getElementById(id_obj);
  if(obj.style.display=="none") obj.style.display = "block";
/*  else obj.style.display = "none"; */
}

function fuj(id_obj){
  var obj=document.getElementById(id_obj);
  if(obj.style.display=="block") obj.style.display = "none";
/*  else obj.style.display = "block"; */
}

function zmiz(id_obj){
  var obj=document.getElementById(id_obj);
  obj.style.display = "none";
}

function trans(id_obj){
  var obj=document.getElementById(id_obj);
  obj.style.background="transparent"
}

function countdown1(yr,m,d){
var montharray=new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec")
var today=new Date()
var todayy=today.getYear()
if (todayy < 1000)
todayy+=1900
var todaym=today.getMonth()
var todayd=today.getDate()
var todaystring=montharray[todaym]+" "+todayd+", "+todayy
var futurestring=montharray[m-1]+" "+d+", "+yr
var difference1=(Math.round((Date.parse(futurestring)-Date.parse(todaystring))/(24*60*60*1000))*1)
if (difference1<0)
document.write(text13)
else if (difference1>4)
document.write(text11+" zbývá ještě "+difference1+" dní.")
else if (difference1>1)
document.write(text11+" zbývají ještě "+difference1+" dny.")
else if (difference1>0)
document.write(text11+" zbývá ještě "+difference1+" den.")
else if (difference1==0)
document.write(text12)
}

function countdown2(yr,m,d){
var montharray=new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec")
var today=new Date()
var todayy=today.getYear()
if (todayy < 1000)
todayy+=1900
var todaym=today.getMonth()
var todayd=today.getDate()
var todaystring=montharray[todaym]+" "+todayd+", "+todayy
var futurestring=montharray[m-1]+" "+d+", "+yr
var difference2=(Math.round((Date.parse(futurestring)-Date.parse(todaystring))/(24*60*60*1000))*1)
if (difference2<0)
document.write(text23)
else if (difference2>4)
document.write(text21+" zbývá ještě "+difference2+" dní.")
else if (difference2>1)
document.write(text21+" zbývají ještě "+difference2+" dny.")
else if (difference2>0)
document.write(text21+" zbývá ještě "+difference2+" den.")
else if (difference2==0)
document.write(text22)
}

function countdown3(yr,m,d){
var montharray=new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec")
var today=new Date()
var todayy=today.getYear()
if (todayy < 1000)
todayy+=1900
var todaym=today.getMonth()
var todayd=today.getDate()
var todaystring=montharray[todaym]+" "+todayd+", "+todayy
var futurestring=montharray[m-1]+" "+d+", "+yr
var difference3=(Math.round((Date.parse(futurestring)-Date.parse(todaystring))/(24*60*60*1000))*1)
if (difference3<0)
document.write(text33)
else if (difference3>4)
document.write(text31+" zbývá ještě "+difference3+" dní.")
else if (difference3>1)
document.write(text31+" zbývají ještě "+difference3+" dny.")
else if (difference3>0)
document.write(text31+" zbývá ještě "+difference3+" den.")
else if (difference3==0)
document.write(text32)
}