text: function AccountManager() {
      this.balance = 0;
      this.allCredit = [];
      this.allDebit = [];
      this.allDates = [];
  }
  AccountManager.prototype.deposit = function(credit, number, date) {
    this.allCredit.push(credit);
    this.allDates.push(date);
    credit.addCredit(number);
    date.addDateToCredit(credit);
    this.balance += credit.amount;
  };
  
  AccountManager.prototype.withdraw = function(debit, number, date) {
    this.allDebit.push(debit);
    this.allDates.push(date);
    debit.addDebit(number);
    date.addDateToDebit(debit);
    this.balance -= debit.amount;
  };
  
  AccountManager.prototype.showBalance = function() {
    return this.balance;
  };
  
  AccountManager.prototype.printStatement = function() {
    for (date = 0; date < this.allDates.length; date++) {
  }
  
  };
  