Small Job but Complicated XSLT

I would like to modify the order attribute of the XML node ControlsOrder <ControlsOrder> <Automatic value="false"/> <Items> <Item id="checkboxcontrol 12" order="0"/> <Item id="checkboxcontrol 01" order="1"/> <Item id="checkboxcontrol 02" order="2"/> <Item id="checkboxcontrol 03" order="3"/> <Item id="checkboxcontrol 04" order="4"/> <Item id="checkboxcontrol 05" order="5"/> <Item id="checkboxcontrol 06" order="6"/> <Item id="checkboxcontrol 07" order="7"/> <Item id="checkboxcontrol 08" order="8"/> <Item id="checkboxcontrol 09" order="9"/> <Item id="checkboxcontrol 10" order="10"/> <Item id="checkboxcontrol 11" order="11"/> <Item id="checkboxcontrol 13" order="12"/> <Item id="checkboxcontrol 14" order="13"/> <Item id="checkboxcontrol 15" order="14"/> <Item id="colorcontrol 01" order="15"/> <Item id="colorcontrol 02" order="16"/> <Item id="intslidercontrol 01" order="17"/> <Item id="intslidercontrol 02" order="18"/> <Item id="intslidercontrol 03" order="19"/> <Item id="intslidercontrol 04" order="20"/> <Item id="intslidercontrol 05" order="21"/> <Item id="intslidercontrol 06" order="22"/> <Item id="intslidercontrol 07" order="23"/> <Item id="intslidercontrol 08" order="24"/> <Item id="intslidercontrol 09" order="25"/> <Item id="intslidercontrol 10" order="26"/> <Item id="intslidercontrol 11" order="27"/> <Item id="intslidercontrol 12" order="28"/> <Item id="intslidercontrol 13" order="29"/> <Item id="slidercontrol 01" order="30"/> <Item id="slidercontrol 02" order="31"/> <Item id="slidercontrol 03" order="32"/> <Item id="slidercontrol 04" order="33"/> <Item id="slidercontrol 05" order="34"/> </Items> </ControlsOrder> based on the the alphabetical name value of the control <CheckboxControl id="checkboxcontrol 01"> <Name value-en="DAB_RemoveGrey"/> <UseRemapping value="true"/> <Checked value="false"/> </CheckboxControl> <CheckboxControl id="checkboxcontrol 02"> <Name value-en="EAB_Erode"/> <UseRemapping value="true"/> <Checked value="false"/> </CheckboxControl>