https://gekirock.com/js/YouTubeOpen.js?ver=201402

1var max = 0;
2var hmove1 = 1;
3var hmove2 = 1;
4
5function HeightPlus(){
6
7	document.getElementById("videoarea").style.display = "block";
8	max = document.getElementById("videoarea").offsetHeight;
9	if( movedonce !=1){
10		HeightMovePlus();
11	}
12}
13
14function HeightMovePlus(){
15	htime1 = setTimeout("HeightMovePlus()", 1);
16	document.getElementById("videoarea").style.height = (hmove1 * 10) + "px";
17	hmove1++;
18	if((hmove1 * 10) > max){
19		max = 0;
20		hmove1 = 1;
21		hmove2 = 1;
22		clearTimeout(htime1);
23	}
24
25}
26
27function HeightMinus(){
28
29	hmove2 = document.getElementById("videoarea").offsetHeight;
30	HeightMoveMinus();
31
32}
33
34function HeightMoveMinus(){
35	htime2 = setTimeout("HeightMoveMinus()", 1);
36	hmove2 = hmove2 - 10;
37	if(hmove2 > 0){
38		document.getElementById("videoarea").style.height = hmove2 + "px";
39	}else{
40		clearTimeout(htime2);
41		document.getElementById("videoarea").style.height = "";
42		document.getElementById("videoarea").style.display = "none";
43	}
44
45}
46
47function callmov(YouTubeID){
48		if($(document).width() <= 1000) {
49			document.getElementById("videoarea").innerHTML = '<iframe width="640" height="320" src="//www.youtube.com/embed/' + YouTubeID + '?autoplay=1" frameborder="0" allowfullscreen></iframe>';
50		} else {
51			document.getElementById("videoarea").innerHTML = '<iframe width="710" height="400" src="//www.youtube.com/embed/' + YouTubeID + '?autoplay=1" frameborder="0" allowfullscreen></iframe>';
52		}
53	HeightPlus();
54	var movedonce = 1;
55}