var detectVideoSupport = function (){
    var detect = document.createElement('video') || false;
    this.html5 = detect && typeof detect.canPlayType !== "undefined";
    this.mp4 = this.html5 && (detect.canPlayType("video/mp4") === "maybe" || detect.canPlayType("video/mp4") === "probably");
    this.ogg = this.html5 && (detect.canPlayType("video/ogg") === "maybe" || detect.canPlayType("video/ogg") === "probably");
    return this;
};
 
var replaceVideoWithObject = function (video_id){    
    if(!video_id){ return false; }
    var video = document.getElementById(video_id);
    if(video){
        var obj = video.getElementsByTagName("object")[0];
        if(obj){
            var obj_copy = obj.cloneNode(true);
            video.parentNode.insertBefore(obj_copy, video);
            video.parentNode.removeChild(video);
        }
    }
};
 
var detectAndroid = function () {
    if (uagent.search("android") > -1) return true;
    else return false;
};

var addVideoPlayHandler = function (video_id){    
    if(!video_id){ return false; }
    var video = document.getElementById(video_id);
    if(video){
        video.setAttribute('onclick', 'this.play();');
    }
};
 
window.onload = function (){
    var video = detectVideoSupport();
    //Both Opera and Firefox support OGG but lack MP4 support
    if(video.ogg && !video.mp4){
        replaceVideoWithObject("video");
    }
    var android = detectAndroid();
    if(android){
        addVideoPlayHandler("video");
    }
};