function createWindow(win_URL,win_Width,win_Height)
{
  var win_Name = "popup";
  var win_Features = "width="+win_Width+",height="+win_Height+",scrollbars=yes,toolbar=no,location=no,menubar=no,status=no,resizable=yes";
  var popup_Win = window.open(win_URL, win_Name, win_Features);
  return;
}

function show_props(obj, obj_name) {
   var result = "";
   for (var i in obj)
      //result += obj_name + "." + i + " = " + obj[i] + "\n";
        result += obj_name + "." + i + " :: ";
   //popup_Win = createWindow(null)
   window.alert(result);   
   return result;
}