Move div.admin-links into the next adjacent sibling div.block

$(document).ready(function() {
 
    // Take all divs that match class .admin-links and move them inside of 
    // the next adjacent sibling div with class .block.
    var $blocks = $(".block");
    $blocks.each(function() {
      var $block = $(this);
      var $admin = $(this).prev();
 
      if (!$admin.hasClass("admin-links"))
        return $block;
 
      var $copy = $admin.clone(true);
      $admin.remove();
      $copy.prependTo($block);
    });  
});