problem with arrays

hi how are you guys ?  i hope you all fine ..

i have little problem with the arrays contents ..   

the problem is , when i try to trace the array items it shows the arrays items as objects like this

[object Object],[object Object],[object Object]

here is the source code (i lighted the trace message and the arrays )

package {

import flash.display.MovieClip;

   import flash.events.MouseEvent

   import flash.events.Event;

public class MAIN  extends MovieClip {

  var additemsvar:String

  var addpricevar:int

  var removeitemvar:int

  var itemsnp:Array = new Array (1000000)

  var za:int = 0

  public function MAIN () {

    addbutton.addEventListener(MouseEvent.CLICK ,addbutton1)

    removebutton.addEventListener(MouseEvent.CLICK ,removebutton1)

    addEventListener(Event.ENTER_FRAME , onEnterFrame)

  }

  public function onEnterFrame (event:Event){

   if(listbox1.selectedIndex != -1){

   itemname11.text = String({label:listbox1.getItemAt(listbox1.selectedIndex)})

  }

  }

  public function addbutton1 (event:MouseEvent){

   additemsvar = additems.text

   addpricevar = int (addprice.text)

   listbox1.addItem ({label:itemsnp[za]})

   listbox2.addItem ({label:itemsnp[za]})

   itemsnp.push({additemsvar:addpricevar});

   za += 1

   trace (itemsnp.toString())

  }

  public function removebutton1 (event:MouseEvent){

   trace (listbox1.selectedIndex)

   listbox1.removeItemAt(listbox1.selectedIndex)

  }

}

}

thank you