var filename="music/bgmusic.wav.wav";
if (navigator.appName == "Microsoft Internet Explorer")
    document.writeln ('<BGSOUND SRC="' + filename + '">');
	else if (navigator.filename == "index.html")
	document.writeln ('<EMBED SRC="' + filename + '" AUTOSTART=false WIDTH=1 HEIGHT=0><P>');
else if (navigator.appName == "Netscape")
    document.writeln ('<EMBED SRC="' + filename + '" AUTOSTART=TRUE WIDTH=1 HEIGHT=0><P>');