Safari cache issue

[Andrzej Michalski]

We have a CFMX application which employs a frameset. A main frame for the site and a sub frame which acts like a shopping basket. The idea is that the customer clicks on items within the main frame, which in turn reloads the sub frame. This action (via a url variable) allows us to append to a session array (a list of id's in the shopping basket) and so display a revised shopping basket with the appropriate items within it. This works very well in all the browsers that we've tested (PC IE/Netscape, Mac IE). However within Safari on Mac OSX (we're trying v1.1 on OS X 10.3) the sub frame misbehaves as it will use any opportunity to display a cached version.

The sub frame is updated by a _javascript_ line on the main page like this:

top.subFrame.document.location.href="">
where thisUrl is the cfm page with its various URL params.

In trying to solve this we have added the following META tags:

<META HTTP-EQUIV="Pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Expires" CONTENT="Mon, 26 Jul 1997 05:00:00 GMT">
<META HTTP-EQUIV="Last-Modified" CONTENT="<cfoutput>#DateFormat(now(), 'ddd, dd mmm yyyy hh:mm:ss')#</cfoutput> GMT">
<META HTTP-EQUIV="Cache-Control" CONTENT="no-store, no-cache, must-revalidate, max-age=0">
<META HTTP-EQUIV="Cache-Control" CONTENT="post-check=0, pre-check=0">

but still to no avail!

Anyone have any cunning suggestions?

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