// otevirani do novych oken
function bar(url) {
  wasOpen = false;
  win = window.open(url);    
  return (typeof(win) == 'object')?true:false;
}
function popup(url) {
  wasOpen = false;
  win = window.open(url);    
  return (typeof(win) == 'object')?true:false;
}

function countit() {
  var delka = 400;
  var formular = document.getElementById('formular');
  var running = false;
  var lock = false;
  var charleft;
  var netscape = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 4); 
  var str = formular.anotace.value;
  var strlength = str.length;
  if ((!netscape || !lock) && strlength > delka) {
    lock = true;
  	formular.anotace.value = str.substring(0,delka);
  	alert("Maximálně můžete napsat znaků: "+delka);
  	charleft = "!0!";
  	lock = false;
  }
  else {
    charleft = delka - strlength;
    formular.cntr1.value = charleft;
    formular.cntr2.value = strlength;
  }
}

// kontrola pro vkladani
function kontrola(form,pole) {
var chyba = false;
var element;
  for (var i = 0; i < pole.length; i++) {
    element = "form."+pole[i];
    element = eval(element);
    if (element.value == "") {
      alert("Nevyplnili jste povinný údaj!\n("+pole[i]+")");
      element.focus();
      i = pole.length;
      chyba = true;
  	}
  }

  if (!chyba) {
    if (form.sendbutton) form.sendbutton.disabled=true;
    return true;
  }
  else {
    return false;
  }
}