function canvas_loaded(sender, args)

{

    var plugin = sender.getHost();

    plugin.content.onfullScreenChange = onFullScreenChanged;

    sender.findName("media").source = plugin.id;

    sender.findName("media").stop();

}

function media_stop(sender, args) {

    sender.findName("media").stop();

}

function media_pause(sender, args) {

    sender.findName("media").pause();

}

function media_begin(sender, args) {

    sender.findName("media").play();

}

function toggle_fullScreen(sender, args)

{

    var silverlightPlugin = sender.getHost();

    silverlightPlugin.content.fullScreen = !silverlightPlugin.content.fullScreen;  

}

function onFullScreenChanged(sender, args)

{

    var silverlightPlugin = sender.getHost();

    var buttonPanel = sender.findName("buttonPanel");

    if (silverlightPlugin.content.fullScreen == true)

    {

      buttonPanel.opacity = 0;

    }

    else 

    {

      buttonPanel.opacity = 1;

    }

    var mediaPlayer = sender.findName("media");

    mediaPlayer.width = silverlightPlugin.content.actualWidth;

    mediaPlayer.height = silverlightPlugin.content.actualHeight;

}