source: trunk/www.guidonia.net/wp/wp-includes/js/comment-reply.dev.js@ 44

addComment = {
        moveForm : function(commId, parentId, respondId, postId) {
                var t = this, div, comm = t.I(commId), respond = t.I(respondId), cancel = t.I('cancel-comment-reply-link'), parent = t.I('comment_parent'), post = t.I('comment_post_ID');

                if ( ! comm || ! respond || ! cancel || ! parent )
                        return;

                t.respondId = respondId;
                postId = postId || false;

                if ( ! t.I('wp-temp-form-div') ) {
                        div = document.createElement('div');
                        div.id = 'wp-temp-form-div';
                        div.style.display = 'none';
                        respond.parentNode.insertBefore(div, respond);
                }

                comm.parentNode.insertBefore(respond, comm.nextSibling);
                if ( post && postId )
                        post.value = postId;
                parent.value = parentId;
                cancel.style.display = '';

                cancel.onclick = function() {
                        var t = addComment, temp = t.I('wp-temp-form-div'), respond = t.I(t.respondId);

                        if ( ! temp || ! respond )
                                return;

                        t.I('comment_parent').value = '0';
                        temp.parentNode.insertBefore(respond, temp);
                        temp.parentNode.removeChild(temp);
                        this.style.display = 'none';
                        this.onclick = null;
                        return false;
                }

                try { t.I('comment').focus(); }
                catch(e) {}

                return false;
        },

        I : function(e) {
                return document.getElementById(e);
        }
}