HELP ...errors

1

ive been through an mp3 tutorial…

THE PROBLEMS IS that it comes up wiv an error.
Error opening URL “file:///C|/Documents%20and%20Settings/mp3/undefined”

what does it mean???
and what shall i do???

i recieved this code…

// Setup sound object
var s:Sound = new Sound();      //s is the sound object
s.onSoundComplete = playSong;    // on sound complete event... when mp3 finisha nd carry on with the next
s.setVolume(75);                //inital volume = 75%

//create array to hold songs to read from xml
var sa:Array = new Array();

// create var to hold current playing song
var cps:Number = -1;    //

//position of music

var pos:Number;

// Load the songs xml

var xml:XML = new XML(); //create xml object
xml.ignoreWhite= true; // ignore white spaces in xml
xml.onLoad = function()//repond to
{
    var nodes:Array=this.firstChild.childNodes; // refering to song tags
//iterate

    for(vari=0;i<nodes.length;i++)
        {
            sa.push(nodes*.attributes.url);
        }
        playSong();
}


xml.load("songs.xml"); //load xml file

// play mp3 file function

function playSong():Void
{
    s = new Sound();
    if(cps == sa.length - 1) // if cps is the last song
    {
        cps=0;
        s.loadSound(sa[cps],true);        //start playing new mp3 sound
    }
    else
    {
        s.loadSound(sa[++cps],true);
    }
    playPause.gotoAndStop("pause");
    
}

//music controls
//pauses the music

function pauseit():Void
{
    pos =s.position;
    s.stop();
    
}


function unPauseit():Void
{
    s.start(pos/1000);
}

//play/pause tohhle

playPause.onRollOver = function()
{
    if(this.currentframe ==1)
    {
        this.gotoAndStop("pauseOver");
    }
    else
    {
        this.gotoAndStop("playOver");
    }
}

playPause.onRollOut = playPause.onReleaseOutside = function()
{
    if(this.currentframe ==10)
    {
        this.gotoAndStop("pause");
    }
    else
    {
        this.gotoAndStop("play");
    }
}


playPause.onRelease = function()
{
    if(this._currentframe == 10)
    {
        this.gotoAndStop("playOver");
        this._parent.pauseit();
    }
    else
    {        
    this.gotoAndStop("pauseOver");
        this._parent.unPauseit();
    }
    
}
//next button

next.onRollOver = function()
{
    this.gotoAndStop("nextOver");
}



next.onRollOut = next.onReleaseOutside = function()
{
    this.gotoAndStop("next");
}

next.onRelease=function()
{
    this._parent.playSong();
}