Changing position in nodeList  @method changePosition @param {dom.Element} @param {Int} index
function changePosition(el, index) {

            var HTMLElement = el.el;
            if (HTMLElement && HTMLElement.parentNode) {

                var parentNode = HTMLElement.parentNode,
                    elGroup = el.elGroup,
                    size = elGroup.size,
                    target = elGroup.getKeyByIndex(index) || elGroup.getLast();

                if (target !== HTMLElement) {
                    if (size - 1 >= index) {
                        parentNode.insertBefore(HTMLElement, target);
                    } else if (target.nextSibling !== null) {
                        parentNode.insertBefore(HTMLElement, target.nextSibling);
                    } else {
                        parentNode.appendChild(HTMLElement);
                    }

                    el.elGroup.changeIndex(HTMLElement, index);
                }
            }
        }