function portfolioFilters(){
 $('ul#filters a').click(function() {
  var selectClass = 'selected';
  var self = $(this);
 
  self.css('outline','none');
  $('ul#filters .' + selectClass).removeClass(selectClass);
  self.parent().addClass(selectClass);
  
  var filterVal = self.text().toLowerCase().replace(' ','-');
    
  if(filterVal == 'all-works') {
   $('ul#portfolio-items li.hidden').fadeIn('slow').removeClass('hidden');
  } else {
   
   $('ul#portfolio-items li').each(function() {
    var portfolioLi = $(this);
   
    if(!portfolioLi.hasClass(filterVal)) {
     portfolioLi.fadeOut('slow').addClass('hidden');
    } else {
     portfolioLi.fadeIn('slow').removeClass('hidden');
    }
   });
  }
  
  return false;
 });
}