function get(id)
  {return document.getElementById(id);}
function obr_select(kam)
  {
  if(kam=='up')
    {if(cislo_obrazku==prvni_obrazek){return false;}
    cislo_obrazku--;}
  if(kam=='down')
    {if(cislo_obrazku==posledni_obrazek){return false;}
    cislo_obrazku++;}

  get('obr_cislo').innerHTML = cislo_obrazku;
  // get('obr_galerie').src = slozka+obrazek[cislo_obrazku];
  // get('obr_galerie').title = obrazek[cislo_obrazku];
  // get('obr_galerie').alt = obrazek[cislo_obrazku];
  // get('link_galerie').href = slozka+obrazek[cislo_obrazku];

  window.top.document.getElementById('obr_galerie2').src = slozka+obrazek[cislo_obrazku];
  window.top.document.getElementById('obr_galerie2').title = obrazek[cislo_obrazku];
  window.top.document.getElementById('obr_galerie2').alt = obrazek[cislo_obrazku];
  window.top.document.getElementById('link_galerie2').href = slozka+obrazek[cislo_obrazku];
  }

function ramec(razeni,nabidka,rozliseni)
  {
  if(rozliseni=='hires')
    {
    iframe_sirka = 520;
    iframe_vyska = 330;
    }
  else
    {
    iframe_sirka = 402;
    iframe_vyska = 296;
    }
  document.write('<iframe id="frame" src="/tmpl/projekty_frame.php?razeni='+razeni+'&amp;nabidka='+nabidka+'&amp;rozliseni='+rozliseni+'" width="'+iframe_sirka+'" height="'+iframe_vyska+'" frameborder="0" scrolling="no"></iframe>');
  }

function zvyraznit(id)
  {
  get(id).style.color='#00408e';
  get(stare_id).style.color='#828180';
  stare_id = id;
  }

function flashuj()
  {
  get('flashoidni').innerHTML = '    <object type="application/x-shockwave-flash" data="/flash/3DC-logo-new-flash.swf" width="400" height="254"><param name="movie" value="/flash/3DC-logo-new-flash.swf" /></object>';
  }

function skroluj(kam)
  {if(kam=='nahoru'){smer = -1;}
  if(kam=='dolu'){smer = 1;}
  skroluji(smer);}
function skroluji(smer)
  {
  scroll = scroll*scroll_increase;
  base_scroll += scroll*smer;
  get("skrolovaci").scrollTop = base_scroll;
  if(base_scroll >= max_scroll)
    {base_scroll = max_scroll;}
  if(base_scroll <= 0)
    {base_scroll = 0;}
  if(zapnuto == 'ano'){window.setTimeout("skroluji(smer)", rychlost);}
  }