Problem with SWFloader when switch source.

i have difficult reload content swfloader. seems can not convert relative path correctly absolute path. here code

 

<fx:script>
  <![cdata[
   import mx.controls.image;
   import mx.controls.swfloader;

   private var myimg:image = new image;
   public function init():void{
    myimg.x = 100;
    myimg.y = 100;
    myimg.width = 200;
    myimg.addeventlistener(ioerrorevent.io_error,ioerrorhandler);
    myimg.addeventlistener(event.complete,myimgloadcompletehandler);
    myimg.load("./upload/1.jpg")
   }
   private function ioerrorhandler(e:ioerrorevent):void{
     mx.controls.alert.show(e.text);
    }
   private function myimgloadcompletehandler(e:event):void{
    var img:image = e.currenttarget image;
    myimg.removeeventlistener(event.complete,myimgloadcompletehandler);
    addelement(img);
   }
   public function imgchangebuttonclickhandler():void{
    removeelement(myimg);
    myimg.unloadandstop();
    myimg.addeventlistener(event.complete,myimgloadcompletehandler);
    myimg.load("./upload/1.jpg");   
   }

  ]]>
</fx:script>
<s:button id = "imgchangebutton" click="imgchangebuttonclickhandler()"/>

 

the html file contains swf located @ http://127.0.0.1:8080/swfloadertest/. swf file located @ http://127.0.0.1:8080/swfloadertest/swf/. image file located @ http://127.0.0.1:8080/swfloadertest/upload/

 

whenthe swf file loaded, image correctly loaded stage. when try reloaded click imgchangebutton, not

work. both time, use same relative path, why result different. know says in swfloader.as "// make relative paths relative

to swf loading it, not top-level swf". if obey rule, first load operation not work.

 

is know reason problem? lot!!!

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