How to display Session value of an item  using Javascript?

Hello All,
I have a file browse item and I browse some file and click on upload, i run this javascript :
function passBack()
javascript:doSubmit('UPLOAD');
alert('hi');
var var_flag = $x('P91_FILE');
alert(var_flag.value);
opener.document.forms["wwv_flow"].f05[3].value = var_flag.value;
close();
</script>
It dispalys 'hi ' as per the first alert.
For the second alert it shows the file path value . ( C:\test\test1.sql).
I need the file session value to be displayed here
Like the following :
F477093380/test1.sql
and then I need to pass that value to parent page. and close the child page.
Any idea?
Thanks in advance.
Regards,
Archana

Archana,
I'm not sure about javascript, but u can use a sql query on the "APEX_APPLICATION_FILES" view to obtain that.
Something like:
SELECT id,NAME
  FROM APEX_APPLICATION_FILES;

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