Проблема JS Видео плейлиста

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");
} else document.body.innerHTML = null;
},
player: function (a, b) {
document.getElementById("uber-vk-player").innerHTML = "";
var vk = document.createElement("iframe");
vk.src = String(a);
vk.width = "100%";
vk.height = "360";
vk.setAttribute("border", "0");
vk.setAttribute("frameborder", "0");
vk.setAttribute("scrolling", "no");
document.getElementById("uber-vk-player").appendChild(vk);
if (document.getElementById("uber-vk-serial")) {
c = document.getElementById("uber-vk-serial").getElementsByTagName("span");
for (var i = 0; i < c.length; i++) {
c.removeAttribute("class")
}
}
b.setAttribute("class", "active")
},
season: function (a, b) {
if (document.getElementById("uber-vk-season")) {
c = document.getElementById("uber-vk-season").getElementsByTagName("span");
for (var i = 0; i < c.length; i++) {
document.getElementById("season" + i).style.display = "none";
c.removeAttribute("class")
}
document.getElementById("season" + a).style.display = "";
sea = a;
}
b.setAttribute("class", "active");
uvk.move1(1);
},
show: function (a, b) {
for (var i = 0; i < a; i++) {
document.getElementById("uber-vk-season").getElementsByTagName("li")[0].innerHTML += "Сезон " + (i + 1) + "";
document.getElementById("uber-vk-serial").innerHTML += "

";
}
for (var i = 0; i < a; i++) {
for (var j = 0; j < b.length; j++) {
document.getElementById("season" + i).innerHTML += "Серия " + (j + 1) + "";
}
}
document.getElementById("uber-vk-season").getElementsByTagName("span")[0].setAttribute("class", "active");
document.getElementById("uber-vk-season").getElementsByTagName("span")[0].click();
document.getElementById("season0").getElementsByTagName("span")[0].click();
document.getElementById("season0").style.display = "";

},
move: function (d) {
var a, b;
var butt = document.getElementById("seasons");
var widt = butt.offsetWidth;
var left = butt.offsetLeft;
if (d == 0) {
clearTimeout(a);
b = setInterval(function () {
pos = pos - 10;
if (pos >= (left - width) && pos >= -(widt - width)) {
butt.style.left = pos + "px";
} else clearTimeout(b);
}, 15);
}

if (d == 1) {
clearTimeout(b);
b = setInterval(function () {
pos = pos + 10;
if (pos = -(widt - width)) {
butt.style.left = poz + "px";
} else clearTimeout(b);
}, 15);
}

if (d == 1) {
clearTimeout(b);
b = setInterval(function () {
poz = poz + 10;
if (poz <= (left + width) && poz <= 0) {
butt.style.left = poz + "px";
} else clearTimeout(b);
}, 15);
}
}
});