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$output = '';
$link = field_get_items($variables['#obj_type'], $variables['#object'], 'field_hlink');
foreach ($variables['#items'] as $item) {

  $output .= '<a target="_blank" href="' . $link[0]['url'] . '">' . theme('image_style', array('path' => $item['uri'], 'style_name' => '110')) . '</a>';

}
return $output;