struct AccountList : Moveable<AccountList>
{
	String name;
	Date   begin;
	Date   end;
	
	unsigned GetHashValue() const 				{ return CombineHash(name); }
	bool operator==(const AccountList& b) const { return name == b.name; }
	
	AccountList(String name, Date begin, Date end) : name(name), begin(begin), end(end) {}
	AccountList(String name) : name(name), begin(GetSysDate()), end(Date(1900,1,1)) {}
	AccountList() {}	
	
	String ToString() const { return String() << name << ' ' << begin << ' ' << end; }
};

Index<AccountList> 	accounts;
int			account_index;

account_index = accounts.FindAdd(AccountList(ce.account));
accounts.Set(account_index,******)

if (begin>date) begin = date
if (end<date) end = date