$(function(){
    
      var $container = $('#container');
    
      $container.isotope({
        masonry: {
          columnWidth: 210
        },
        sortBy: 'number',
        getSortData: {
          number: function( $elem ) {
            var number = $elem.hasClass('element') ? 
              $elem.find('.number').text() :
              $elem.attr('data-number');
            return parseInt( number, 10 );
          },
          alphabetical: function( $elem ) {
            var name = $elem.find('.name'),
                itemText = name.length ? name : $elem;
            return itemText.text();
          }
        }
      });
	  
      var $optionSets = $('#options .option-set'),
          $optionLinks = $optionSets.find('a');

      $optionLinks.click(function(){
        var $this = $(this);
        // don't proceed if already selected
        if ( $this.hasClass('selected') ) {
          return false;
        }
        var $optionSet = $this.parents('.option-set');
        $optionSet.find('.selected').removeClass('selected');
        $this.addClass('selected');
  
        // make option object dynamically, i.e. { filter: '.my-filter-class' }
        var options = {},
            key = $optionSet.attr('data-option-key'),
            value = $this.attr('data-option-value');
        // parse 'false' as false boolean
        value = value === 'false' ? false : value;
        options[ key ] = value;
        if ( key === 'layoutMode' && typeof changeLayoutMode === 'function' ) {
          // changes in layout modes need extra logic
          changeLayoutMode( $this, options )
        } else {
          // otherwise, apply new options
          $container.isotope( options );
        }
        
        return false;
      });


    
    
    });