HTML - abrir pestaña por defecto

<div class="work-filter wow fadeInRight animated" data-wow-duration="500ms">

    <ul class="text-center">

        <li><a href="#" data-filter="*" class="current">Todos</a></li>

        <li><a href="#" data-filter=".branding" >Videos</a></li>

        <li><a href="#" data-filter=".web">Webs</a></li>

        <li><a href="#" data-filter=".logo-design">Diseños</a></li>

        <li><a href="#" data-filter=".photography">Fotografias</a></li>

    </ul>

</div>

var $container = $('.project-wrapper');

    $container.isotope({

        filter: '*',

        animationOptions: {

            duration: 750,

            easing: 'linear',

            queue: false

        }

    });

    $('.work-filter a').click(function(){

        $('.work-filter .current').removeClass('current');

        $(this).addClass('current');

        var selector = $(this).attr('data-filter');

        $container.isotope({

            filter: selector,

            animationOptions: {

                duration: 750,

                easing: 'linear',

                queue: false

            }

         });

         return false;

    });

	$(".fancybox").fancybox({

		padding: 0,

		openEffect : 'elastic',

		openSpeed  : 650,

		closeEffect : 'elastic',

		closeSpeed  : 550,

		closeClick : true,

	});