function _getReviewFormPlace(welTarget, sPlacement){
        if(welTarget.data("thread-id")){
            return welTarget.closest(".comment-thread-wrap")
        }

        var welPlace = $('<tr class="comment-form"></tr>');
        welPlace.html('<td colspan="3" class="write-comment-form"></td>');

        if(sPlacement === "top"){
            welTarget.before(welPlace);
        } else {
            welTarget.after(welPlace);
        }

        return welPlace;
    }
Get element to append review form

@param welTarget
@param sPlacement
@returns {Wrapped Element}
@private