// okna

function window1(a) {
window.open (a, 'char', 'toolbar=no, menubar=no, location=no, directories=no, scrollbars=no, resizable=yes, status=yes, width=650, height=490, top=10, left=10');
}

function window2(a) {
window.open (a, 'char', 'toolbar=no, menubar=no, location=no, directories=no, scrollbars=no, resizable=yes, status=yes, width=473, height=650, top=10, left=10');
}

function window3(a) {
window.open (a, 'char', 'toolbar=yes, menubar=yes, location=yes, directories=yes, scrollbars=yes, resizable=yes, status=yes, width=800, height=600, top=10, left=10');
}

// vyzkum

function zobrazSkryj(idecko){
  el=document.getElementById(idecko).style;
  el.display=(el.display == 'block')?'none':'block';
}

function skrytVse(){
  if (document.getElementById('planreseni')){
    document.getElementById('planreseni').style.display='none';
  }
  if (document.getElementById('resitele')){
    document.getElementById('resitele').style.display='none';
  }
  if (document.getElementById('aktualni-informace')){
    document.getElementById('aktualni-informace').style.display='none';
  }
  if (document.getElementById('publikace-vysledku')){
    document.getElementById('publikace-vysledku').style.display='none';
  }
  if (document.getElementById('odborne-zpravy')) {
    document.getElementById('odborne-zpravy').style.display='none';
  }
  if (document.getElementById('odborne-prilohy')) {
    document.getElementById('odborne-prilohy').style.display='none';
  }
}