getting continuous play in the mp3 player

//-------for myComboBox-----------
var mycomboXml = new XML();
mycomboXml.onLoad = function(){
    var baseName = this.firstChild.childNodes;
    var albumName;
    var xmlFile;
    for(var j=0; j<baseName.length; j++){
        if(baseName[j].nodeName != null){
            albumName = baseName[j].attributes.albumName;
            xmlFile = baseName[j].attributes.xmlFile;
            myComboBox.addItem({label:baseName[j].attributes.albumName,
                                data:baseName[j].attributes.xmlFile});
            trace("myalbum for label: " + baseName[j].attributes.albumName + " /for data: " + baseName[j].attributes.xmlFile);
            
            }//------close if
        }//-----close for
        
}
mycomboXml.load("mycombodata.xml");

//--------for listBox------------
myArry = new Array();
xmlName = new XML (); //a flash xml object
xmlName.ignoreWhite = true;
xmlName.onLoad = function ()
{  myListBox.vScrollPolicy = "on";
    trace("xmldata loaded success!");
    var baseNode = this.firstChild.childNodes;
    var mylabel, mydata,link;
    for (var i = 0; i < baseNode.length; i++)
    {
        if (baseNode[i].nodeName != null)
        {
            mylabel = baseNode[i].attributes.mylabel;
        mydata = baseNode[i].attributes.mydata;
            myListBox.addItem({label:mylabel,
                              data:mydata});
            
            
//--------------------------output-------------------------
trace("My XmldataList labelList: " + baseNode[i].attributes.mylabel + " databList: " +baseNode[i].attributes.mydata);
            for (var j = 0; j < baseNode[i].childNodes.length; j++)
            {
                if (baseNode[i].childNodes[j].nodeName == "link")
                {
                    link = baseNode[i].childNodes[j].firstChild.nodeValue;
                        //myTextList.addItem({label:baseNodes[i].childNodes[j].firstChild.nodeValue});
                trace("saying:---"+baseNode[i].childNodes[j].firstChild.nodeValue);
                }
            }
            myArray.push(new construct(mylabel, mydata, link));
        }
    }
        
    for(i=0; i<myArray.length; i++){
        //mytitle += "<a href=\"" + myArray[i].link + "\">" + myArray[i].mylabel + "</a>";
        //trace(myArray[i].link);
        }
    
};//-------close xmlName.onLoad function
//function construct(mylabel, mydata, link)
//{
    //this.mylabel = mylabel;
    //this.mydata = mydata;
    //this.link = link;
//}
//-----------myListBox Event-------------
myselection = new Object();
myselection.change = function(ListEvent){
    _root.status._visible=1;
    myPlayBack.setMedia(myListBox.selectedItem.data,"MP3");
    myPlayBack.play(1);
    _root.title=myListBox.selectedItem.label;
    trace("the selected trackPath: " + myListBox.selectedItem.data);
}
myListBox.addEventListener("change",myselection);
//----------comboBox Event---------
mycomboSelect = new Object();
mycomboSelect.close = function(){
    xmlPath="mylistdata.php";
    xmlPath = myComboBox.selectedItem.data;
    xmlName.load(xmlPath);
    myListBox.removeAll();
  myPlayBack.stop();
    _root.title="no tracks selected";
    _root.status._visible=0;
    //mytitle = myComboBox.selectedItem.label;
    //mytitlehidden = myComboBox.selectedItem.label+": ";
    trace("myAlbumSelection: " + xmlName + "/data: " + xmlPath);    
}
myComboBox.addEventListener("close",mycomboSelect);