Option to select some items when page loads.

usage
=====
    
    <select class="selectpicker" multiple data-selected-text-format="count>3">
    <optgroup label="Games">
    <option>Tent</option>
    <option>Flashlight</option>
    <option id="selected">Toilet Paper</option>
    </optgroup>
    </select>
    <script>
    $(document).ready(function()
    {
      $('.selectpicker').selectpicker('deselectAll');
      $('.selectpicker').selectpicker('selectFew');//'val', feedsubs);
    });
    </script>