<?xml version="1.0" encoding="utf-8"?>
  <mx:VBox xmlns:mx="http://www.adobe.com/2006/mxml" backgroundColor="#CCCCCC" usePreloader="false"
                   paddingTop="0" paddingBottom="0" paddingLeft="0" paddingRight="0">
  
          <mx:Script>
                  <![CDATA[                
                          
                          public function loadSource(appUrl:String, srcUrl:String):void
                          {
                                  // delete all previously loaded source
                                  tn.removeAllChildren();
                                  
                                  var tabs:Array = new Array();
                                  if (appUrl != null && appUrl != "")
                                  {
                                          var files:Array = new Array();
                                          // the first file shown will be the mxml source
                                          files[0] = appUrl + ".txt";
                                          
                                          if (srcUrl != null && srcUrl != "")
                                          {
                                                  // other source files are shown in the subsequence tabs
                                                  var otherSrc:Array = srcUrl.split("&");
                                                  files = files.concat(otherSrc);
                                          }
  
                                  for (var i:int ; i < files.length ; i++)
                                  {
                                                  tabs[i] = new explorer_SourceTab();
                                                  tn.addChild(tabs[i]);
                                                  tabs[i].source = files[i];
                                  }
                                  }
                          }
                  ]]>
          </mx:Script>
  
          <mx:TabNavigator id="tn" width="100%" height="100%" paddingTop="0"/>
  
  </mx:VBox>