Sticky hide and show not working

I believe I have followed Carl Backstrom's Sticky Hide and Show Region example to the letter for my own application.
1 - I have the application items and application processes in place.
2 - I have the javascript in the HTML Header attribute
3 - The SHOW_HIDE_MEMORY package is in place
4 - I edited the Hide and Show Region template
I'm on Apex version 3.0.0.00.20
The collection does not seem to be getting populated. I'm wondering if the region template which includes this code is not working: onclick="$r_ToggleAndSave(this,'#REGION_ID#')" id="#REGION_ID#img"
My regions are always collapsed when I navigate away and return to the page and the collection is always empty. I've checked the state of the temporary item after clicking the expand (+) button and the value is always null.
Any help would be greatly appreciated.
Thanks, Todd

Hi Carl,
I'm not seeing any obvious errors on the screen or in the message bar. I just downloaded the Firefox javascript debugger extension. I'm not exactly sure how to use this tool, but when I expand a hidden region, I do see this message in the debugger screen:
Warning ``reference to undefined property this.onShutdown_'' [xs] in file ``file:///C:/Program%20Files/Mozilla%20Firefox/components/nsSafebrowsingApplication.js'', line 1710, character 0.
Error ``node has no properties'' [xs] in file ``http://dsi3.gfc.iowa.com:7777/i/javascript/htmldb_html_elements.js'', line 25, character 0.

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begin
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begin
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' '||chr(10)||
'end;'||chr(10)||
'/'||chr(10)||
''||chr(10)||
'declare'||chr(10)||
'    l_name   varchar2(255);'||chr(10)||
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s:=s||'     p_name=> l_name,'||chr(10)||
'     p_varchar2_table=> wwv_flow_api.g_varchar2_table,'||chr(10)||
'     p_mimetype=> ''application/octet-stream'','||chr(10)||
'     p_location=> ''WORKSPACE'','||chr(10)||
'     p_nlang=> ''0'','||chr(10)||
'     p_mode=> ''CREATE_OR_REPLACE'','||chr(10)||
'     p_type=> ''IMAGE'');'||chr(10)||
' '||chr(10)||
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''||chr(10)||
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OMG I'm to silly for that...
The status of the hidden item is always expanded...It doesn't change.
Maybe I always uses the wrong classes.
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