How to set "Display as Text" field with AJAX select list

thanks Denes for your posting. I'm trying to use the Denes Kubicek code to populate a "Display as Text" field. It works for Text Field (disabled), but not "Display as Text" field(saves state) . In my applciation I need to show this field only (not the disabled text box) when a select list value is changed. any ideas to modify the code below are appreciated.
http://htmldb.oracle.com/pls/otn/f?p=31517:80:3418128396960418::NO
here is the code from the url above
1. Create an Application Process - getDet:
DECLARE
my_det VARCHAR2 (200);
BEGIN
SELECT ename || CHR(10) || job || CHR(10) || mgr
INTO my_det
FROM emp
WHERE empno = :P80_EMPLOYEES;
HTP.prn (my_det);
END;
2. Put the following in the Region Header of your page:
<script language="JavaScript" type="text/javascript">
function f_getDet ()
var get = new htmldb_Get(null,&APP_ID.,'APPLICATION_PROCESS=getDet',0);
get.add('P80_EMPLOYEES',html_GetElement('P80_EMPLOYEES').value)
gReturn = get.get();
if(gReturn)
{ html_GetElement('P80_DETAILS').value = gReturn }
else
{ html_GetElement('P80_DETAILS').value = 'null' }
get = null;
</script>
3. Put the following in the HTML Form Element Attributes of :P80_EMPLOYEES:
onChange="f_getDet()";

Arie,
this works fine on normal page, except page zero. I have the AJAX select list and "Display as Text" field on page zero. The "Display as Text" field doesn't show the the value when AJAX select is changed. I'm using similar code as used in my other APEX page on OTN site. I tired to display the gReturn value, just before calling "setDisplayOnlyNode" function in the code below and it's showing correct value, but fails to display the value in the APEX field on page zero. Any ideas are appreciated.
Thanks,
Surya
<script language="JavaScript" type="text/javascript">
function setDisplayOnlyNode(pItem, pValue)
{ var textNode = pItem + '_DISPLAY'; $x(textNode).innerText = pValue; }
function f_getDet ()
var get = new htmldb_Get(null,&APP_ID.,'APPLICATION_PROCESS=getDet',0);
get.add('P1_EMPLOYEES',html_GetElement('P1_EMPLOYEES').value)
gReturn = get.get();
if(gReturn)
{ setDisplayOnlyNode('P1_DETAILS',gReturn)}
{ html_GetElement('P1_TEST').value = gReturn }
get = null;
</script>

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