[SWFObject] Bug: IE and ExternalInterface.addCallback()

[daniel.zabinskas at immersive.com.au]

It seems there is a bug in IE when you embed an swf that uses the
ExternalInterface.addCallback() method using swfobject.js.

Any javascript call on the same page triggers the window.onbeforeunload
handler. Because of this the flash file disappears because the flash objects
style.display is set to "none" in the deconcept.SWFObjectUtil.cleanupSWFs
function.

In my project, I commented out the following if statement in the
swfobject.js file:

if(typeof window.onbeforeunload=="function"){
    var oldBeforeUnload=window.onbeforeunload;
    window.onbeforeunload=function(){
        deconcept.SWFObjectUtil.cleanupSWFs();
        oldBeforeUnload();
    };
}else{
    window.onbeforeunload=deconcept.SWFObjectUtil.cleanupSWFs;
}

And now it works fine. Luckily, I don't have any streaming content in my
flash file. I have attached some files that show the bug in action.

Thought you might like to know.

Cheers
Daniel

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