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flash externalinterface :works in IE , not in firefox

Hello experts
I have done a very simple flash swf (as3) that plays an mp3 and have added an extranelInterafce
ExternalInterface.addCallback("playMP3",playMP3);

Works great with IE but does not work with firefox 3.6 !
Gives me:
document.getElementById("mp3").playMP3 is not a function

Any clue ?
regards

<!-- saved from url=(0013)about:internet -->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>mp3</title>
</head>
<body bgcolor="#ffffff">
<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" id="mp3" width="10" height="10" align="middle">
<param name="allowScriptAccess" value="always" />
<param name="movie" value="mp3.swf" />
<param name="quality" value="high" />
<param name="bgcolor" value="#ffffff" />
<embed src="mp3.swf" quality="high" bgcolor="#ffffff" width="10" height="10" swLiveConnect="true" id="mp3" name="mp3" align="middle" allowScriptAccess="always" 
type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />
</object>
  <input type="button" name="button" id="button" value="Button"  onclick="document.getElementById('mp3').playMP3()"/>
 
</body>
</html>

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Ferruccio Accalai

I don't know how this could be related to Delphi, anyway about the Firefox issue I know that using the fully-qualified class name for ExternalInterface (flash.external.ExternalInterface) should solve the Firefox problem.

So try changing your
ExternalInterface.addCallback("playMP3",playMP3);
to
flash.external.ExternalInterface.addCallback("playMP3",playMP3);

yarekGmail

ASKER

Delphi : sorry, I think the wbesite kept my last selection !

Still does not wrok with firefox ! Totally crazy !

I have attached the HTML, SWF and teh FLA source code.
Thanks
Flash.zip

ASKER CERTIFIED SOLUTION

moagrius

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jack_archer

Hello,
My question is exactly same. But the "Accepted Solution" does work? I copy and tried, it make no difference. What is the magic? I do can access my flash object, but I cannot access its ExternalInterface function.
Another thing I noticed is that if open the HTML from local, then it works fine. But after I put it on web server, then it stop working in FF (I tried both 3.6 and 3.0). But everything is under same domain
It works in IE always.

Thanks!
Jack