function getFlashMovieObject(movieName){
    if (window.document[movieName]) {
        return window.document[movieName];
    }

    if (navigator.appName.indexOf("Microsoft Internet")==-1){
        if (document.embeds && document.embeds[movieName])
            return document.embeds[movieName]; 
    } else {// if (navigator.appName.indexOf("Microsoft Internet")!=-1)
        return document.getElementById(movieName);
    }
}

function stopPlayer() {
    var flashMovie=getFlashMovieObject("loader");
    if (flashMovie != undefined) {
        flashMovie.SetVariable("stopFromJavascript", true);
    }
}