GetURL generating "no network traffic"

i don't have the code in front of me so can't quote from it
i'm afraid, but as a general picture:
we have a pop up browser window generated by the
FCK editor within which 2
iframes inside of which either <object> & <embed>
tags or geoff sterns
swfobject include
(the result with either embed method is the same) and a swf. said
swf then has this code:
getURL( destination, "", "POST" );
the problem is, i'm told by my java guys, this call is
generating ZERO network traffic.
any ideas why?

never forget your window declaration. here we have before and
after:
getURL( destination, "", "POST" );
getURL( destination, "_self", "POST" );
the second one works. oddly, the first WAS working, firstly
for years using a previous rich text editor and then even now with
our latest rich text editor on our test environment, only not on
our live environment. and the java guys are glad to see it working
but still wonder quite what the problem is because as far as they
can tell everything is similarly named on test as on live.
i don't know, all i know is that using "_self" made a world
of difference and i recommend it 100%. it's great!!! :)

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