Charging of bl 5 c battery.components needed?

Procedure please..Need to run the arduino with bl-5c nokia battery only(pls dont suggest ne other rechargeable apparatus). in other words, we want to make a portable charging adapter/holder

pinout: http://www.cpkb.org/wiki/Nokia_BL-5C_battery_pinout

then you need to make a simple li-ion charger

also, try not to be so demanding :P