function rozbal_detail(x,y,z) {
  if(!document.getElementById && document.all) document.getElementById = document.all;
  document.getElementById(x).style.display="none";
  document.getElementById(y).style.display="inline";
  document.getElementById(z).style.display="block";
}
function sbal_detail(x,y,z) {
  if(!document.getElementById && document.all) document.getElementById = document.all;
  document.getElementById(x).style.display="inline";
  document.getElementById(y).style.display="none";
  document.getElementById(z).style.display="none";
}
function skryj(a,b){
  document.getElementById(a).style.display="none";
  document.getElementById(b).style.display="none";  

}