下面这段代码在chrome打开没问题可以看到视频，但是firefox就看不到。请各位大神帮忙看看怎么回事？
<!DOCTYPE html>
<html>
<head>
<title>test</title></head>
<body>
<script type="text/javascript" src="http://vw.amxdt.com/as/?icid=3637&key=1" frameBorder="0" border="0" scrolling="no" width="300px" height="250px"></script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title>test</title></head>
<body>
<script type="text/javascript" src="http://vw.amxdt.com/as/?icid=3637&key=1" frameBorder="0" border="0" scrolling="no" width="300px" height="250px"></script>
</body>
</html>
转出HTML<!DOCTYPE html>
<!--[if lt IE 7]> <html lang="en" class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
<!--[if IE 7]> <html lang="en" class="no-js lt-ie9 lt-ie8"> <![endif]-->
<!--[if IE 8]> <html lang="en" class="no-js lt-ie9"> <![endif]-->
<!--[if gt IE 8]><!--> <html lang="en" class="no-js"> <!--<![endif]-->
<head>
<meta charset="utf-8">
<!--[if lt IE 9]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Video Ad</title>
<meta name="description" content="">
<meta name="viewport" content="width=device-width"> <link rel="stylesheet" href="http://cdn.amxdt.com/mc/vt/css/normalize.css">
<link rel="stylesheet" href="http://cdn.amxdt.com/mc/vt/css/main.css?1">
<script src="http://cdn.amxdt.com/mc/vt/js/modernizr-2.6.2.min.js"></script>
<script src="http://cdn.amxdt.com/mc/vt/js/jquery-1.9.1.min.js"></script>
<!--[if IE]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script><![endif]-->
<!--[if lt IE 9]>
<script src="http://ie7-js.googlecode.com/svn/version/2.1(beta4)/IE9.js"></script><![endif]-->
<!--[if lt IE 7]>
<link rel="stylesheet" type="text/css" media="all" href="css/ie6.css"/><![endif]-->
<link href="http://vjs.zencdn.net/c/video-js.css" rel="stylesheet">
<script src="http://cdn.amxdt.com/mc/vt/js/video.js"></script>
<link href="http://cdn.amxdt.com/mc/vt/css/vast.plugin.css" rel="stylesheet">
<script src="http://cdn.amxdt.com/mc/vt/js/vast.plugin.js"></script>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8/jquery.min.js"></script>
</head>
<body>
<!--[if lt IE 7]>
<p class="chromeframe">You are using an <strong>outdated</strong> browser. Please <a href="http://browsehappy.com/">upgrade your browser</a> or <a href="http://www.google.com/chromeframe/?redirect=true">activate Google Chrome Frame</a> to improve your experience.</p>
<![endif]-->
<!-- MP4 is not supported on Firefox -->
<div id="vid">
<div id="black-canvas" >
<video id="example_video_1" class="video-js vjs-default-skin"
width="300" height="250"
preload="auto" data-setup='{"techOrder": ["html5", "flash", "youtube"], "ytcontrols":true}'>
<source type="video/mp4" src="https://s3.amazonaws.com/cdn.amxdt.com/Army+Strong+Campaign/1aajTHyjN_840K_640x360.mp4" />
</video>
<div id="overlay" style="width: 300px; height: 250px; background-color: transparent; position: relative; top : -265px; display: none; cursor: pointer;"></div>
</div>
</div>
<script type="text/javascript">
var myPlayer = _V_("example_video_1");
var isShown = false;
var setOverlay = function(){
if (!isShown) {
$('#overlay').toggle();
}
};
myPlayer.on("play", setOverlay);
$('#overlay').click(function() {
window.open('http://pl.yumenetworks.com/static_click_1_178314_85742_50232_0_3_1382iNMXNMoL.gif;ord=[timestamp]?');
}); _V_("example_video_1").ready(function(){
var myPlayer = this;
var mainTrack = myPlayer.values.src;
var startedOnce = false;
var endedOnce = false;
var firstQuartileOnce = false;
var midpointOnce = false;
var thirdQuartileOnce = false;
function imageHandle(img) {
var pixelImg = document.createElement('img');
pixelImg.style.width = "1px";
pixelImg.style.height = "1px";
pixelImg.src = img;
var mainDiv = document.getElementById('black-canvas');
mainDiv.appendChild(pixelImg);
} var onEnd = function() {
if (mainTrack == myPlayer.values.src && !endedOnce) {
imageHandle("https://vw.amxdt.com/as/ev/?plc=0&icid=3637&iline=0&wp=null&rid=a2dcb54a-3dfb-4947-8aa1-54c53cee4e50&ev=6");
imageHandle("https://a.amxdt.com/px/?id=16108");
endedOnce = true;
}
}; var onStart = function() {
if (mainTrack == myPlayer.values.src && !endedOnce) {
imageHandle("https://vw.amxdt.com/as/ev/?plc=0&icid=3637&iline=0&wp=null&rid=a2dcb54a-3dfb-4947-8aa1-54c53cee4e50&ev=2");
startedOnce = true; }
}; var monitor = function() {
if (mainTrack == myPlayer.values.src) {
if (Math.round(myPlayer.currentTime()) == Math.round(myPlayer.duration()/4) && !firstQuartileOnce) {
imageHandle("https://vw.amxdt.com/as/ev/?plc=0&icid=3637&iline=0&wp=null&rid=a2dcb54a-3dfb-4947-8aa1-54c53cee4e50&ev=3");
firstQuartileOnce = true;
} else if (Math.round(myPlayer.currentTime()) == Math.round(myPlayer.duration()/2) && !midpointOnce) {
imageHandle("https://vw.amxdt.com/as/ev/?plc=0&icid=3637&iline=0&wp=null&rid=a2dcb54a-3dfb-4947-8aa1-54c53cee4e50&ev=4");
midpointOnce = true;
} else if (Math.round(myPlayer.currentTime()) == Math.round(myPlayer.duration()*.75) && !thirdQuartileOnce) {
imageHandle("https://vw.amxdt.com/as/ev/?plc=0&icid=3637&iline=0&wp=null&rid=a2dcb54a-3dfb-4947-8aa1-54c53cee4e50&ev=5");
thirdQuartileOnce = true;
}
}
} myPlayer.addEvent("play", onStart);
myPlayer.addEvent("ended", onEnd);
myPlayer.addEvent("timeupdate", monitor);
myPlayer.play();
});
</script>
</body>
</html>