//funkce pro stranku GALERIE
function enlargeImage(id)
  {
  var title = document.getElementById(id).title;
  var str = document.getElementById(id).src;
  var source = str.substr(0,str.length - 8) + '.jpg';
  document.getElementById('gallery').src=source;
  document.getElementById('main_left_desc').innerHTML=title;
  }