//
//  fce ukazuje a schovava podkategorie:
//

//-----------------------------------------------------------------
//  promennou numMenu je potreba nastavit v asp skriptu
//var numKateg = 3;

//function InitStat(N) { 
//  var s = new Array();
//  var i=0;
//  for (i=0; i<N; i++) s[i]=false; 
//  return s;
//}
 
function SwapKateg(i,N, label) {
  var swapObj = document.getElementById(label + i)
  var  objVisible = (swapObj.style.visibility == "visible");
  if (objVisible) {
    swapObj.style.display = "none";
    swapObj.style.visibility = "hidden";
  }
  else {
    swapObj.style.display = "block";
    swapObj.style.visibility = "visible";
  }

  var j;
  for (j=0;j<N;j++) {
    if (j==i) continue;
    document.getElementById(label + j).style.display = "none";
    document.getElementById(label + j).style.visibility = "hidden";
  }

  return;
}

//  prepne 
function SwapContainer(id, N, label) {
  // prepnout id;

  var objLogin = document.getElementById(id);
  if (objLogin.style.visibility == "visible") {
    objLogin.style.visibility = "hidden";
    objLogin.style.display = "none";
  }
  else {
    objLogin.style.visibility = "visible";
    objLogin.style.display = "block";
  }
  
  // schovat vsechno ostatni:
    for (j=0;j<N;j++) {
    document.getElementById(label + j).style.display = "none";
    document.getElementById(label + j).style.visibility = "hidden";
    //stat[j]=false;
  }
  return;
}

//  inicializace stavu filtru:
//var stat = InitStat(numKateg);