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/**
 * Swiper jQuery Plugin
 *
 * You need to also include:
   http://www.netcu.de/jquery-touchwipe-iphone-ipad-library
 *
 * @code
 * <script>
 *   $('.track').swiper({
 *     'trainClass': 'train',

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/**
 * Convert iframes to divs via ajax iframe_to_div jQuery Plugin
 *
 * Uses javascript to replace iframes with divs containing their source content
 * by loading via ajax. If you use this to load vanilla html snippets, this has the
 * effect of applying the page's css to your vanilla html snippet.
 *
 * This will not work if the iframe src is not a relative link due to ajax restrictions across domains.
 *
 * As an example:

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/**
 * HTML5 Media Resume Playback (Playhead Position Memory) jQuery Plugin
 *
 * Remembers the playback position of media and resumes on page load. The
 * playhead position is set on the media events: play, pause, and seeked; as
 * well the position is recorded at an interval defined in the options, anytime
 * the media is playing.
 *
 * Requires the jStorage plugin <http://www.jstorage.info/>
 *

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/**
 * A jQuery Plugin to fade in multiple DOM elements in step-wise succession.
 *
 * @param bool|object options
 *   A boolean value will be interpreted as {start: [value]}.
 *   An object with these properties:
 *   - speed int How fast to reveal the step in seconds. Each element may also
     control it's individual speed with the attribute data-speed.
 *   - delay int Defaults to 0. How many seconds between the end of one step and
     the start of the next. You may also use data-delay for element specific

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/**
 * Convert all element properties to children
 *
 * @param  array $array An array with one or more keys that begine with '#' .
 *
 * @return array        Any key that began with '#' will have the # stripped.
 */
function element_properties_to_children($array) {
  $keys = array_map(create_function('$item', 'return substr($item, 1);'), array_keys($array));
  

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/**
 * Set a multidimensional array element based on an array of nested keys.
 *
 * @code
 *   $vars   = array();
 *   $string = 'some.string.of.keys';
 *   $keys   = explode('.', $string);
 *   $value  = 'final value';
 *   array_set_nested_element($vars, $keys, $value);
 * @endcode

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<?php
/**
 * Shows how to create a field that controls node access in Drupal 7 based
 * on callback functions using the node access API and a field select list;
 * so that content managers can easily control per-entity access control
 * using a simply dropdown.
 *
 * 1. Create a custom module and insert the following 3 functions.
 * 2. Create a List(text) field called field_access with widget select and
 * attach it to the entity where you want to control access.

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/**
 * Checks one or more render arrays for any visible content.
 *
 * @param ...  array One or more renderable arrays.
 *
 * @return bool
 */
function my_theme_has_content() {
  $build = func_get_args();

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/**
 * Implements hook_js_alter().
 *
 * Replace the system-provided jquery with our own higher version for the theme.
 */
function my_theme_js_alter(&$javascript) {

  // Go through and replace the jquery that is being provided by the system
  // with out own higher version for the theme.  We use an array
  // here in case the jquery update module is/is not being used.

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<?php
/**
 * Determine if an image is mostly dark.
 *
 * @param string $uri The uri of the image file.
 * @param array $options
 *   - resolution int The larger the number the more measurements will be taken
 *     and the longer it will take. Defaults to 10.
 *   - threshold int The luminance threshold.  170 is equal to #acacac.
 * @param array $info Pass an array to be filled with data used to calculate