function thisMovie(){
    var id = "NS_FLASH_videoPlayerComponent";
        var component = null;
        if (navigator.appName.indexOf("Microsoft") != -1) {
            component = window[id];
        }else{
            component = document[id];
        }
        return component ? component : false;
    }
    
function playVideo(videoId) {
    thisMovie().toFlash("playVideo", videoId);
}