<!--
function winOpen(page,w,h) {
  newWindow=window.open(page,"subWin","scrollbars=yes,width="+w+",height="+h+"");
  newWindow.moveTo((((screen.width)-w)/2),(((screen.height)-h)/2));
  newWindow.focus();
}

function testForm() {
  if (isEmail()) {
    document.form_kontakt.submit();
    return true;
  }
  return false;
}

function isEmail() {
  if (document.form_kontakt.email.value == "") {
      alert('\"E-mail\" je povinné pole, vyplňte ho prosím.');
      document.form_kontakt.email.focus();
      return false;
  }
  return true;
}
//-->