[nikita.mmf]

function insertAfter( node, referenceNode ) {
    if ( !node || !referenceNode ) return;
    var parent = referenceNode.parentNode, nextSibling = referenceNode.nextSibling;
    if ( nextSibling && parent ) {
        parent.insertBefore(node, referenceNode.nextSibling);
    } else if ( parent ) {
        parent.appendChild( node );
    }
}