var VideoEmbedLoader = {
    flashSupported: function()
    {
        return navigator.mimeTypes
            && navigator.mimeTypes["application/x-shockwave-flash"];
    },
    loadAll: function(elem)
    {
        if(!elem)elem = document.body;
        var divElements = elem.getElementsByTagName("div");
        for(var i=0; i<divElements.length; i++)
        {
            var div = divElements[i];
            if(div.className != "youtube-embed") continue;
            VideoEmbedLoader.appendPlayerIn(div.getAttribute("video"), div);
        }
    },
    appendPlayerIn: function(vidcode, elem)
    {
        if(VideoEmbedLoader.flashSupported())
        {
            var iframe = document.createElement("iframe");
            iframe.src = "http://www.youtube.com/watch_popup?v="
                +vidcode+"&vq=large";
            iframe.className = "youtube-embed-player";
            iframe.setAttribute("frameborder", "0");
            elem.appendChild(iframe);
        }
        else
        {
            var embed = document.createElement("embed");
            embed.src = "http://www.youtube.com/v/"+vidcode+"?fs=1";
            embed.className = "youtube-embed-player";
            embed.setAttribute("type", "application/x-shockwave-flash");
            embed.setAttribute("allowscriptaccess", "always");
            embed.setAttribute("allowfullscreen", "true");
            elem.appendChild(embed);
        }
    }
};

window.onload = function()
{
    VideoEmbedLoader.loadAll();
};