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// Youtube video overlay
$('.video_overlay.youtube').click(function(e){
    $(this).fadeOut(function(){
        $(this).next('iframe')[0].src += "&autoplay=1";
        e.preventDefault();
    });
});

// Vimeo video overlay
var iframe = document.getElementById('vimeo_iframe');
var player = $f(iframe);
$('.video_overlay.vimeo').click(function(){
    $(this).fadeOut(function(){
        player.api("play");
    });
});