oracle-forms: got_focus/lost_focus..triggers

I have a text item and I want to change the backgroud color whenever user enter the item (with mouse or kbd) in order to change the data in that field.
And I want to set the background to initial color when user leave the item...something like 'got_focus'/'lost_focus' events.

How to do this in Oracle forms? I dont find the equivalent triggers.
Alta_Asked:
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kretzschmarCommented:
use the pre-text-item and post-text-item triggers to change your color like


SET_ITEM_PROPERTY('BLOCKNAME.ITEMNAME',Background_Color,'r25g75b0');

meikl ;-)
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Alta_Author Commented:
Thanks
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Alta_Author Commented:
But why the color that I set with

SET_ITEM_PROPERTY('BLOCKNAME.ITEMNAME',Background_Color,
'r75g100b100');

is not the color that I wanted..the color looks different when I run the form...than the color in the property palette (for example dark color instead light blue color).
There is other way to specify colors in oracle forms ..instead rgb value?
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