Dynamic alignment of report column and page item value

Hi friends,
I have an interactive report which contains the columns like
<li>empno
<li>Name
In the above i have "empno" with a column alignment of left and a "Name" with a column alignment of left.
Whether it is possible to override the data alignment that we set in the report according to the value of the application item like
If my application item value is US, then i need the column alignment of both the column"empno" and "Name" to be left and if my application item value is AR, then i need the column alignment of both the column "empno" and "Name" to be right. Whether is it possible to achieve the dynamic alignment to the report data of both the columns "empno" and "Name" according to the application page item value.
And also in the case of page item i have a page item with a name P1_NAME in which it has a Element Horizontal/Vertical alignment to left.
I need that element alignment of the page item to behave dynamically according to the application page item, like if the application page item is US then the element alignment of the page item has to be left and if the application page item is AR then the element alignment of the page item has to be right.
Whether is it possible to achieve my above two scenario's friends. Kindly help me with this.
Thanks in advance.
Brgds,
Mini

Kees,
Your approach is excellent and brilliant:-)
I tried with your steps and i can achieve those alignment in both ways like you said(either on page load/through DA).
But im going with the DA way. I have certain query regarding this kees.
<li>Suppose if the report, is classic whether i can go with the same approach that i have achieved alignment with the IR report.
<li>Currently through the DA way, i used the page item in the condition. Is it possible to use the application item instead of page item in DA. Because im going to use the application item FSP_LANGUAGE_PREFERENCE for getting the code either 'AR' or 'US'.
<li>Finally i need this kind of restriction for the page item also, consider like i have a page item P1_X with an Element Vertical/Horizontal alignment as left. Now i need to change that alignment to right according to the application page item value, hence i can give application item condition for the page item like below
PL-SQL EXPRESSION: :FSP_LANGUAGE_PREFERENCE = 'AR'
i need the element alignment of the page item to behave dynamically suppose if the application item value is AR then the element alignment of that page item has to be right if the application item value is US then the element alignment of that page item has to be left, irrespective of the page item Element Vertical/Horizontal alignment that was set to it.
Thanks for your kind help
Brgds,
Mini

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Zooid,
but always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always always
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