How to work with this xml ?

[digilab]

Hi

Anyone know how work with xml like that one ?
I want to add a new feature - make picture black and whit in layer 1
....

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE CTSFile SYSTEM "/Cts/Dtd/Cts.dtd">
<CTSFile Title="Kalendarz_8x12_1" Label="Kalendarz_8x12_1" Author="ICS
to CTS Converter" Date="8/6/99" Description="Kalendarz_8x12_1">
<Canvas Label="Canvas1" Width="12.00000000" Height="8.00000000"
PixelValueUnit="255" Render="Yes" FillColor="1.0, 1.0, 1.0"
FillColorOpacityValue="0" UnitOfMeasure="I">
<Layer Label="Layer0" XOffset="0" YOffset="0" Width="12.00000000"
Height="8.00000000" ResizeAlgorithm="Bicubic">
<Image Label="Image0">
<ImageSource Label="ISource0">
<ImageFile Label="IFile0_Kalendarz_8x12_1"
Pathname="Kalendarz_8x12_1.001"/>
</ImageSource>
</Image>
</Layer>
<Layer Label="Layer1" XOffset="1.07400000" YOffset="2.21700000"
Width="5.29000000" Height="3.71000000" ResizeAlgorithm="Bicubic">
<Image Label="Image1">
<ImageSource Label="I1"/>
</Image>
<Mask Label="Mask1" InvertMask="Yes">
<ImageSource Label="MISource1">
<ImageFile Label="MIFile1_Mask" Pathname="Mask.001"/>
</ImageSource>
</Mask>
</Layer>
</Canvas>
</CTSFile>

maybe are a publications or books about that...


Thank`s