+ <file>button/buttonCenterDisabled.png</file>
+ <file>button/buttonCenterPushed.png</file>
+ <file>button/buttonRightDisabled.png</file>
+ <file>button/buttonRightPushed.png</file>
+ <file>button/buttonLeftDisabled.png</file>
+ <file>button/buttonLeftPushed.png</file>
+ <file>button/checkbox.png</file>
+ <file>button/checkboxChecked.png</file>