function feltolt_tilt()
{
   document.getElementById('feltolto').disabled = document.getElementById('feltoltve').checked;
}

function szamlalo(meret)
{
   obj = document.getElementById('ta');

   if (obj != null)
   {
      if (obj.value.length <= meret)
      {
         document.getElementById('szam').innerHTML = meret - obj.value.length;
      }
      else
      {
         obj.value = obj.value.substr(0, meret);
      }
   }
}

function datum_valt()
{
   napok = new Array(90, 60, 30, 14, 10, 7, 5, 4, 3, 2, 1);

   datum_o  = document.getElementById('e_datum');
   select_o = document.getElementById('ervenyes');

   if (datum_o != null)
   {
      datum_s = datum_o.innerHTML;
      tol     = datum_s.substring(1, 11);

      ig      = new Date();
      ig.setFullYear(tol.substring(0, 4), tol.substring(5, 7) - 1, tol.substring(8, 10));
      ig.setDate(ig.getDate() + napok[select_o.value - 1]);

      honap = ig.getMonth() + 1;
      nap   = ig.getDate();

      datum_o.innerHTML = "(" + tol  + " - " + ig.getFullYear() + "." + ((honap < 10) ? "0" : "") + honap + "." + ((nap < 10) ? "0" : "") + nap + ")";
   }
}

function origkep(azon, yh, xh)
{
   window.open('/images/' + azon + '.jpg', azon, 'status=no, menubar=no, location=no, scrollbars=no, resizable=no, toolbar=no, width=' + yh + ', height=' + xh + ', top=100, left=200');
}

function ok()
{
   document.getElementById("top_form").submit();
}

function nyomtat(azon)
{
   window.open("index.php?mod=kosar&do=ny&azon=" + azon, 'nyomtatas',
              'status=no, menubar=no, location=no, scrollbars=yes, resizable=no, toolbar=no, width=600, height=300, top=100, left=200');
}

function kosarba(azon)
{
   ablak = window.open("index.php?mod=kosar&do=p&azon=" + azon, 'kosar',
                       'status=no, menubar=no, location=no, scrollbars=yes, resizable=no, toolbar=no, width=600, top=0, left=0');
   ablak.focus();
}