$(function(){

  //calling superfish plugin
  $('ul#main-menu').superfish({
    autoArrows: false
  });

  //calling prettyPhoto plugin
  $(".project-gallery-lightbox .item a[rel^='prettyPhoto']")
    .prettyPhoto({
      theme:'dark_rounded' // available theme: dark_rounded, dark_square, facebook, light_rounded, light_square.
  });

});