function openImg(nazwa, tytul, width, height){
      var w = width + 15;
      var h = height + 15;
      nazwa = 'panel/produkt/zdjecia/obrazek2.php?name=' + nazwa +'&width=' + width + '&height=' + height;
      window.open(nazwa, tytul,'toolbar=no, scrollbars=no, resizable=no, width=' + (parseInt(w))  + ', height='+ (parseInt(h)));
  }

  function openImgW(nazwa, tytul, width, height){
      var w = width + 15;
      var h = height + 15;
      nazwa = 'panel/wystawy/zdjecia/obrazek2.php?name=' + nazwa +'&width=' + width + '&height=' + height;
      window.open(nazwa, tytul,'toolbar=no, scrollbars=no, resizable=no, width=' + (parseInt(w))  + ', height='+ (parseInt(h)));
  }

  function openImg2(nazwa, tytul, width, height){
      var w = width + 15;
      var h = height + 15;
      nazwa = 'panel/news/zdjecia/obrazek.php?name=' + nazwa +'&width=' + width + '&height=' + height;
      window.open(nazwa, tytul,'toolbar=no, scrollbars=no, resizable=no, width=' + (parseInt(w))  + ', height='+ (parseInt(h)));
  }

  function openWin(nazwa, tytul, width, height){
      var w = width + 15;
      var h = height + 15;
      window.open(nazwa, tytul,'toolbar=no, scrollbars=yes, resizable=no, width=' + (parseInt(w))  + ', height='+ (parseInt(h)));
  }

  function inv(flag, element) { document.getElementById(element).style.display = flag; }

  function pokaz_1(){
     document.getElementById('first').style.visibility = 'visible';
     document.getElementById('second').style.visibility = 'hidden';
     document.getElementById('third').style.visibility = 'hidden';
     document.getElementById('op1').className='zakladka2'
     document.getElementById('op2').className='zakladka1'
     document.getElementById('op3').className='zakladka1'
  }
  function pokaz_2(){
     document.getElementById('first').style.visibility = 'hidden';
     document.getElementById('second').style.visibility = 'visible';
     document.getElementById('third').style.visibility = 'hidden';
     document.getElementById('op2').className='zakladka2'
     document.getElementById('op1').className='zakladka1'
     document.getElementById('op3').className='zakladka1'
  }
  function pokaz_3(){
     document.getElementById('first').style.visibility = 'hidden';
     document.getElementById('second').style.visibility = 'hidden';
     document.getElementById('third').style.visibility = 'visible';
     document.getElementById('op3').className='zakladka2'
     document.getElementById('op1').className='zakladka1'
     document.getElementById('op2').className='zakladka1'
  }

  function InsertLink(myField, myValue, myDesc) {
    myValue = '<a href=' + myValue + '>' + myDesc + '</a>';
    if (document.selection) {
      myField.focus();
      sel = document.selection.createRange();
      sel.text = myValue;
    }
  }

  function InsertTag(myField, myValue1, myValue2) {
    if (document.selection) {
      myField.focus();
      sel = document.selection.createRange();
      tekst = myValue1 + sel.text + myValue2;
      sel.text = tekst;
    }
  }