[flexcoders] Security problem when load swf?

[markflex2007]

Hi,

I have following code to load/play swf file,but I get follow security error.Do 
you have a idea to fix that.

Thanks for help.

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml";
layout="absolute" creationComplete="OnCreationComplete()">
<mx:Script>
<![CDATA[
        import mx.core.UIComponent;
        private var loader:Loader;
 
        private function OnCreationComplete():void
        {
            var url : String ="assets/swfload.swf";
            loader = new Loader();
            var request:URLRequest = new URLRequest(url);
            loader.load(request);
            loaderHolder.rawChildren.addChild(loader as DisplayObject);
        }
 
        private function onStop():void
        {
        var mc : MovieClip = loader.content as MovieClip;
        mc.stop();
        }
 
        private function onPlay():void
        {
        var mc : MovieClip = loader.content as MovieClip;
        mc.play();
        }
]]>
</mx:Script>
<mx:VBox width="100%" height="100%" horizontalAlign="center"
    verticalAlign="middle">
        <mx:Canvas id="loaderHolder" width="500" height="500"/>
        <mx:Button label="Stop" click="onStop()"/>
        <mx:Button label="Play" click="onPlay()"/>
</mx:VBox>
</mx:Application>

Error Message:

Error #2044: 
Unhandled SecurityErrorEvent:. text=Error #2140: Security sandbox violation: 
file:///C:/Users/user/Documents/Flex Builder 3/
swfTest/bin-debug/swfTest.swf cannot load file:///C:/Users/user/Documents/Flex 
Builder 3/swfTest/bin-debug/assets/swfdemo.swf. 
Local-with-filesystem and local-with-networking SWF files cannot load each 
other.