JavaScript error on comment posting

JS error on invitation comment post. Comment still posted. No big deal. Thanks

$("comment_refresh_message").update("");
$("comment_count").update("2");
jQuery('.last_comment_id').val('109887');
new Insertion.Top("comments", "\n\n\n\n\n\u003Cdiv id=\"comment-109887\" class=\"clear commentblock directionleft fresh_comment\"\u003E\n\t\u003Cdiv class=\"picture left\"\u003E\n \u003Cdiv style=\"padding-top:3px;display:none;\" class=\"photo_content\"\u003E\n \u003Cimg alt=\"virgil1\" height=\"50\" src=\"http://crush3r.com/images/mugs/mug08_m.jpg?1242751930\" width=\"50\" /\u003E\n \u003C/div\u003E\n\t\u003C/div\u003E\n\t\u003Cdiv class=\"comment left\"\u003E\n\t\t\u003Cp class=\"comment_text normaltext textleft\" style=\"padding-bottom:3px;display:none;\"\u003ECan't wait!\u003C/p\u003E\n\t\t\u003Cp class=\"comment_info textleft\" style=\"display:none;\"\u003E\n\t\t\t\u003Cspan class=\"mini_show\"\u003E\n virgil1\n\t\t\t\t\n \u003Cspan id=\"comment_convert\"\u003E\n \n (\u003Ca href=\"/account/signup?i=ourwqefpsd\u0026from=http%3A%2F%2Fcrush3r.com%2Fpage%2Fwpqelyvmkk\"\u003Esign up\u003C/a\u003E)\u003C/span\u003E\n \n\t\t\t\tless than 5 seconds ago\n \n \n \n \n /\u0026nbsp;\u003Ca href=\"#\" onclick=\"if (confirm('Are you sure?')) { new Ajax.Request('/comment/372535/destroy?c_id=109887\u0026amp;i=ourwqefpsd', {asynchronous:true, evalScripts:true}); }; return false;\"\u003ERemove\u003C/a\u003E\n \n \n\t\t\t\u003C/span\u003E\n\t\t\u003C/p\u003E\n\t\u003C/div\u003E\n\u003C/div\u003E\n");

readjustComments();
jQuery(".add_comment_button_container").html('<input name="commit" class="comment_submit mock_button_page right" type="submit" value="&nbsp;&nbsp;Add Comment&nbsp;&nbsp;" /><input name="commit" class="hidden" type="submit" value="~Add Comment~" />');