function chng_mp3(mp3,lrc,fnm,x2,x4) {
	var obj = getFlashMovie('player');
	obj.chngmp3(mp3,lrc,fnm);
}
//reference to flash movie object
function getFlashMovie(movieName) {
	if (typeof(window[movieName])!="undefined") return window[movieName];
	else if (typeof(AC_FL_RunContent)!="undefined") return document[movieName][1];
	else return document[movieName];
}