var adresa;
var pokracovat;
    
    function potvrzeni(adresa) {
    pokracovat = confirm("Jste si jistý?")
    if(pokracovat) window.location.replace(adresa)
    }
    
    function odhlaseni(adresa) {
    pokracovat = confirm("Opravdu se chcete odhlásit?")
    if(pokracovat) window.location.replace(adresa)
    }
    
    function skryt(id) {
    el=document.getElementById(id).style;
    el.display=(el.display == 'block')?'none':'block';
    }
    
    function zmena() {
      document.getElementById("heslo11").disabled = !(document.getElementById("heslo00").checked)
      document.getElementById("heslo22").disabled = !(document.getElementById("heslo00").checked)
    }

    function zmenauas() {
      document.getElementById("uas_z").checked = (document.getElementById("oznacituas").checked)
      document.getElementById("uas_r").checked = (document.getElementById("oznacituas").checked)
      document.getElementById("uas_p").checked = (document.getElementById("oznacituas").checked)
      document.getElementById("uas_m").checked = (document.getElementById("oznacituas").checked)
      document.getElementById("uas_e").checked = (document.getElementById("oznacituas").checked)
      document.getElementById("uas_a").checked = (document.getElementById("oznacituas").checked)
      document.getElementById("uas_v").checked = (document.getElementById("oznacituas").checked)
      document.getElementById("uas_f").checked = (document.getElementById("oznacituas").checked)
      document.getElementById("uas_o").checked = (document.getElementById("oznacituas").checked)
    }
    
    function zmenasao() {
      document.getElementById("sao_z").checked = (document.getElementById("oznacitsao").checked)
      document.getElementById("sao_p").checked = (document.getElementById("oznacitsao").checked)
      document.getElementById("sao_m").checked = (document.getElementById("oznacitsao").checked)
      document.getElementById("sao_e").checked = (document.getElementById("oznacitsao").checked)
      document.getElementById("sao_a").checked = (document.getElementById("oznacitsao").checked)
      document.getElementById("sao_r").checked = (document.getElementById("oznacitsao").checked)
      document.getElementById("sao_n").checked = (document.getElementById("oznacitsao").checked)
      }
      
    function zmenainfo() {
      document.getElementById("info_z").checked = (document.getElementById("oznacitinfo").checked)
      document.getElementById("info_p").checked = (document.getElementById("oznacitinfo").checked)
      document.getElementById("info_m").checked = (document.getElementById("oznacitinfo").checked)
      document.getElementById("info_e").checked = (document.getElementById("oznacitinfo").checked)
      document.getElementById("info_a").checked = (document.getElementById("oznacitinfo").checked)
      }
      
    function zmenavcal() {
      document.getElementById("vcal_z").checked = (document.getElementById("oznacitvcal").checked)
      document.getElementById("vcal_c").checked = (document.getElementById("oznacitvcal").checked)
      }
      
    function zmenadok() {
      document.getElementById("dok_z").checked = (document.getElementById("oznacitdok").checked)
      document.getElementById("dok_p").checked = (document.getElementById("oznacitdok").checked)
      document.getElementById("dok_m").checked = (document.getElementById("oznacitdok").checked)
      }
      
    function zmenaa4y() {
      document.getElementById("a4y_n").checked = (document.getElementById("oznacita4y").checked)
      document.getElementById("a4y_s").checked = (document.getElementById("oznacita4y").checked)
      document.getElementById("a4y_o").checked = (document.getElementById("oznacita4y").checked)
      }

    function NewWindow(mypage, myname, w, h, windowfeatures) {
    var winl = (screen.width - w) / 2;
    var wint = (screen.height - h) / 2;
    winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl;
    win = window.open(mypage, myname, winprops, windowfeatures)
    if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
    }