// JavaScript Document
function over(){
this.style.backgroundImage='url(grafika/hornilista/obsah_vybranb.png)';this.style.color='#3C72B6';this.style.cursor='pointer';
}
function out(){
this.style.backgroundImage='url(grafika/hornilista/obsahb.png)';this.style.color='white';this.style.cursor='pointer';
}
function strana1() {
   document.getElementById("strana1").style.display="block";
   document.getElementById("strana2").style.display="none";
   document.getElementById("strana3").style.display="none";
   document.getElementById("ostr1").style.backgroundColor="#1D3F69";
   document.getElementById("ostr1").style.color="white";
   document.getElementById("ostr2").style.backgroundColor="";
   document.getElementById("ostr2").style.color="";
   document.getElementById("ostr3").style.backgroundColor="";
   document.getElementById("ostr3").style.color="";
}
function strana2() {
   document.getElementById("ostr2").style.backgroundColor="#1D3F69";
   document.getElementById("ostr2").style.color="white";
   document.getElementById("ostr1").style.backgroundColor="";
   document.getElementById("ostr1").style.color="";
   document.getElementById("ostr3").style.backgroundColor="";
   document.getElementById("ostr3").style.color="";
   document.getElementById("strana2").style.display="block";
   document.getElementById("strana1").style.display="none";
   document.getElementById("strana3").style.display="none";
}
function strana3() {
   document.getElementById("strana1").style.display="none";
   document.getElementById("strana2").style.display="none";
   document.getElementById("strana3").style.display="block";
   document.getElementById("ostr3").style.backgroundColor="#1D3F69";
   document.getElementById("ostr3").style.color="white";
   document.getElementById("ostr1").style.backgroundColor="";
   document.getElementById("ostr1").style.color="";
   document.getElementById("ostr2").style.backgroundColor="";
   document.getElementById("ostr2").style.color="";
}