First pass at entering charges for a lease. This works, but does not have the ability to add multiple charges, and does not mirror the payment method, which is ajax based.

git-svn-id: file:///svn-source/pmgr/branches/invoice_receipt_20090629/site@231 97e9348a-65ac-dc4b-aefc-98561f571b83

models/account.php

@@ -94,6 +94,7 @@ class Account extends AppModel {
 
   function securityDepositAccountID()   { return $this->nameToID('Security Deposit'); }
   function rentAccountID()              { return $this->nameToID('Rent'); }
+  function lateChargeAccountID()        { return $this->nameToID('Late Charge'); }
   function accountReceivableAccountID() { return $this->nameToID('A/R'); }
   function invoiceAccountID()           { return $this->nameToID('Invoice'); }
   function receiptAccountID()           { return $this->nameToID('Receipt'); }