<script type="text/javascript">   
// by boggan4eg
$(document).ready(function() {
      $('#ldF18').hide().after('<input class="manFlSbm" style="font-weight: bold;" value="Добавить материал" onclick="dourl()" type="button">');
      $('#ldM8').after('<tr class="trinput"><td class="manTd1">Код сериала: <input type="button" title="Добавить поле для ввода ссылки" value="+" onclick="plusodin()"></td><td class="manTd2"><input class="inputlink" autocomplete="off" style="width: 100%;" name="linkblablabla" maxlength="300" type="text"></td></tr>');
});

function plusodin() {
      $('.inputlink:last').after('<input class="inputlink" autocomplete="off" style="margin: 1px 0px 0px 0px; width: 100%;" maxlength="300" type="text">');
}

function putlink(code, nm) {
      if (code != "") {
          var txtarea = document.getElementById(nm);
          code = '' + code + '';
          if (document.selection) {
              txtarea.focus();
              var txtContent = txtarea.value;
              var str = document.selection.createRange();
              if (str.text == "") {
                  str.text = code;
              } else if (txtContent.indexOf(str.text) != -1) {
                  str.text = code + str.text;
              } else {
                  txtarea.value = txtContent + code;
              }
          } else {
              txtarea.value = txtarea.value + code;
          }
      }
}

function dourl() {
      $('.inputlink').each(function() {
          var hurl = $(this).attr('value');
          var dtitle = $('#ldF1').val();
          if (hurl != '') {
              if (dtitle == '') {
                  var dtitle = '';
              }
              putlink('\n[video]http://youtube.com/watch?v=' + hurl + '[/video][hr]', 'message');
          }
      });
      document.getElementById('doSmbBt').click();
}
</script>

[video]http://youtube.com/watch?v=' + hurl + '[/video][hr]

<iframe src="http://vk.com/video_ext.php?oid=-' + hurl + '" width="607" height="360" frameborder="0"></iframe>