// Reproductor de Musica, Previews
var music = null;
var track = 0;
var ver = navigator.appName;

function audioCheck(plugName) {
    for (var i = 0; i < navigator.plugins.length; i++) {
        if (navigator.plugins[i].name.toLowerCase() == plugName.toLowerCase()) {
            for (var j = 0; j < navigator.plugins[i].length; j++) {
                if (navigator.plugins[i][j].enabledPlugin) {
                    return true;
                }
            }
            return false;
        }
    }
    return false;
}

function cambiarcancion(uri) {
	songStop();
	chooseSong(uri);
}

function chooseSong(cancion) { // ie
    if (ver == "Microsoft Internet Explorer") {
        document.all.music.src = cancion;
        //document.music.play() ;
    } else {
        songPlay('play',cancion);
    }
    //document.all.melody_obj.movie = 'imagenes/melody.swf';
}
function songPlay(cmd,cancion) { // netscape
    if (audioCheck("LiveAudio")) {
        if (cmd == 'play') {
            document.musicSource.play(false,cancion);
        }
    } else {
        alert("You Do Not Have The Correct Plugin");
    }
}
function songStop(){
    document.all.music.src = '#';
    //document.all.melody_obj.movie = '#';
}
function songPause()
{
    document.all.music.src = '#';
}

if (ver == "Microsoft Internet Explorer") {
    document.write('<bgsound src="#" ID=music loop=1 AUTOSTART=false>');
} else {
    document.write('<embed  src="#" AUTOSTART=false hidden=true VOLUME="90" name="musicSource" MASTERSOUND></EMBED>');
}

function ventana(archivo,nombre,ancho,alto)
{
LeftPosition=(screen.width)?(screen.width-ancho)/2:100;
TopPosition=(screen.height)?(screen.height-alto)/2:100;
anexosayuda = window.open(archivo,nombre,"left="+LeftPosition+",top="+TopPosition+",height="+alto+",width="+ancho+",toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,maximized");
}