function get(id)
  {return document.getElementById(id);}

function aktualita(id)
  {
  if(get(id).style.display=='block')
    {
    get(id).style.display='none';
    get('d_'+id).style.display='block';
    get('a_'+id).innerHTML='více »';
    }
  else
    {
    get(id).style.display='block';
    get('d_'+id).style.display='none';
    get('a_'+id).innerHTML='« méně';
    }
  }

function zmen_pozadi(jake)
  {
  document.getElementsByTagName("body")[0].style.backgroundImage = "url('"+jake+"')";;
  }

function vloz_logoshow(kam)
  {
  get(kam).innerHTML = '<iframe src="/tmpl/logof.html" width="310" height="150" frameborder="0" scrolling="no"></iframe>';
  }
function vloz_slideshow(kam)
  {
  get(kam).innerHTML = '<iframe src="/tmpl/logos.php" width="623" height="150" frameborder="0" scrolling="no"></iframe>';
  }

function zobraz_text(kde,jaky,trida)
  {
  if(get(kde).style.display == 'block' && get(kde).innerHTML == get(jaky).innerHTML)
    {
    //get(kde).style.display = 'none';
    }
  else
    {
    get(kde).innerHTML = get(jaky).innerHTML;
    get(kde).className = trida;
    if(get('fade_div')){get('fade_div').style.display='none';}
    get(kde).style.display = 'block';
    }
  }

/**
* Delay for a number of milliseconds, cizi fce :F
*/
function sleep(delay)
  {
  var start = new Date().getTime();
  while (new Date().getTime() < start + delay);
  }

function menu_control(id)
  {
  get('js_obsah').style.display='none';
  get('fade_div').style.display='block';
  }


/* by ascaria */


    function hvr(cislo,pocet) {
      for(i=1;i<=pocet;i++){
        document.getElementById('submenu'+i).className='';
      }
    document.getElementById('submenu'+cislo).className='active';
    }