Error calling method on NPObject!

[Benjamin]

Hi, I'm using swfobject 2.2 on firefox 3.6 with flash 10. I don't know
any flash but I do have a swf file that I want to interact with using
javascript. The problem is that I get an error when I try to interact
with the object.

I use this syntax to embed the swf: http://pastebin.com/qWkGF9bW

then I'll do something like

var swfobj = document.getElementById("swfobj");
alert(swfobj.doSomething)

which will print out something like:

function doSomething() {
[native code]
}

I assume this means the function exists, however I get this error when
I try to call the method swfobj.doSomething(true):

Error calling method on NPObject!

What does this mean? Does it have anything to do with
allowscriptaccess? Is it possible that this is happening because of
something I've done wrong on the javascript side of things?

[Aran Rhee]

So that will be a security error.

On the page, make sure you have allowScriptAccess to be "always" or "sameDomain"

On the swf side check out:

http://www.wrichards.com/blog/2009/02/error-calling-method-on-npobject/

Aran

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