$(".video-0").click(function(){
    $('.video iframe').attr("src", "https://www.youtube.com/embed/68_Rgto52uY");
    $(this).addClass(active);
    $(this).removeClass( "video-0");
    active="video-0";
    console.log('OK!');
    console.log(active);
    
});

$(".video-1").click(function(){
    $('.video iframe').attr("src", "https://www.youtube.com/embed/flLa0Df7jLQ");
    $(this).addClass(active);
    $(this).removeClass( "video-1");
    active="video-1";
    
    console.log(active);
    
});

$(".video-2").click(function(){
    debugger;
    $('.video iframe').attr("src", "https://www.youtube.com/embed/kIWSxMHvvkc");
    $(this).addClass(active);
    $(this).removeClass( "video-2");
    active="video-2";
    
    console.log(active);

});


$(".video-3").click(function(){
    $('.video iframe').attr("src", "https://www.youtube.com/embed/w73rcanokY4");
    $(this).addClass(active);
    $(this).removeClass( "video-3");
    active="video-3";
    
    console.log(active);
    
});

$(".video-4").click(function(){
    $('.video iframe').attr("src", "https://www.youtube.com/embed/USsiuJqLUEY");
    $(this).addClass(active);
    $(this).removeClass( "video-4");
    active="video-4";
    
    console.log(active);
    
    
});