SetItemCharges

// Sets charges left on an item. // - oItem: item to change // - nCharges: number of charges. If value below 0 is passed, # charges will //  be set to 0. If value greater than maximum is passed, # charges will //  be set to maximum. If the # charges drops to 0 the item //  will be destroyed. void SetItemCharges(object oItem, int nCharges);