<mx:HBox right="5" top="10">
    <mx:Button color="gray" borderColor="0" fillAlphas="[0, 0]" label="camera" click="attach();"/>
    </mx:HBox>
    <mx:HBox left="5" bottom="10">
    <mx:Button color="gray" borderColor="0" fillAlphas="[0, 0]" label="next" click="next();"/>
    <mx:Button color="gray" borderColor="0" fillAlphas="[0, 0]" label="click" click="next();"/>
    </mx:HBox>