tabs

add_shortcode( 'tabgroup', 'tab_group' );
function tab_group( $atts, $content ){
extract(shortcode_atts(array(
    'set' => ''
), $atts));

$GLOBALS['tab_count'] = 0;

do_shortcode( $content );

if( is_array( $GLOBALS['tabs'] ) ){
    $tab_count=0;
    foreach( $GLOBALS['tabs'] as $tab ){
    $tab_count++;
$tabs[] = '<li><a href="#tabs-'. $set .'-'. $tab_count .'">'.$tab['title'].'</a></li>';
$panes[] = '<div id="tabs-'. $set .'-'. $tab_count .'" class="tab_content">'. do_shortcode($tab['content']) .'</div>';
}
$return = "\n".'<div class="tabs"><ul class="clearfix">'.implode( "\n", $tabs ).'</ul>'."\n".''.implode( "\n", $panes ).'</div>'."\n";
}
return $return;
}

add_shortcode( 'tab', 'single_tab' );
function single_tab( $atts, $content ){

extract(shortcode_atts(array(
    'title' => 'Tab %d'
), $atts));

$x = $GLOBALS['tab_count'];
$GLOBALS['tabs'][$x] = array(
                        'title' => sprintf( $title, $GLOBALS['tab_count'] ),
                        'content' =>  $content
                        );

$GLOBALS['tab_count']++;
}