var ikona_on=new Array();
var ikona_off=new Array();
ikona_on[0]=new Image();ikona_on[0].src="i/ico1_on";
ikona_off[0]=new Image();ikona_off[0].src="i/ico1_off";
ikona_on[1]=new Image();ikona_on[1].src="i/ico2_on";
ikona_off[1]=new Image();ikona_off[1].src="i/ico2_off";

var subList=new Array();
var tabs=new Array();

function createSubList(id){
  this.obj=document.getElementById(id);
  this.css=this.obj.style;
  this.hide=hideIt;
  this.show=showIt;
  }

function hideIt(){
  this.css.display="none";
  }

function showIt(){
  this.css.display="block";
  }

function zobrazSubList(id){
  for(i=0;i<subList.length;i++){
    if(i!=id){subList[i].hide();}
      else{subList[i].show();}
    }
  }

function switchTab(id){
  for(i=0;i<tabs.length;i++){
    if(i!=id){
      tabs[i].hide();
      //document.getElementById("ico"+i).src=ikona_off[i].src;
      }else{
         tabs[i].show();
         //document.getElementById("ico"+i).src=ikona_on[i].src;
         }
    }
  }