=== modified file 'account/wizard/wizard_pay_invoice.py'
--- account/wizard/wizard_pay_invoice.py	2009-03-11 13:41:51 +0000
+++ account/wizard/wizard_pay_invoice.py	2009-10-20 11:02:06 +0000
@@ -25,6 +25,7 @@
 import pooler
 import time
 from tools.translate import _
+import tools
 
 pay_form = '''<?xml version="1.0"?>
 <form string="Pay invoice">
@@ -37,7 +38,7 @@
 </form>'''
 
 pay_fields = {
-    'amount': {'string': 'Amount paid', 'type':'float', 'required':True},
+    'amount': {'string': 'Amount paid', 'type':'float', 'required':True, 'digits': (16,int(tools.config['price_accuracy']))},
     'name': {'string': 'Entry Name', 'type':'char', 'size': 64, 'required':True},
     'date': {'string': 'Payment date', 'type':'date', 'required':True, 'default':lambda *args: time.strftime('%Y-%m-%d')},
     'journal_id': {'string': 'Journal/Payment Mode', 'type': 'many2one', 'relation':'account.journal', 'required':True, 'domain':[('type','=','cash')]},
@@ -58,7 +59,13 @@
     journal = pool.get('account.journal').browse(cr, uid, data['form']['journal_id'], context)
     if journal.currency and invoice.company_id.currency_id.id<>journal.currency.id:
         ctx = {'date':data['form']['date']}
-        amount = cur_obj.compute(cr, uid, journal.currency.id, invoice.company_id.currency_id.id, amount, context=ctx)
+        amount = cur_obj.compute(cr, uid, journal.currency.id, invoice.company_id.currency_id.id, amount, round=True, context=ctx)
+        
+    # Checking the condition when invoice has a different currency than company currency
+    if invoice.company_id.currency_id.id<>invoice.currency_id.id:
+        ctx = {'date':data['form']['date']}
+        amount = cur_obj.compute(cr, uid, invoice.currency_id.id, invoice.company_id.currency_id.id, amount, round=True, context=ctx)        
+        
 
     # Take the choosen date
     if form.has_key('comment'):
@@ -78,10 +85,10 @@
     pool = pooler.get_pool(cr.dbname)
     invoice = pool.get('account.invoice').browse(cr, uid, data['id'], context)
     journal = pool.get('account.journal').browse(cr, uid, data['form']['journal_id'], context)
-    if invoice.company_id.currency_id.id <> invoice.currency_id.id:
-        return 'addendum'
-    if journal.currency and (journal.currency.id <> invoice.currency_id.id):
-        return 'addendum'
+#    if invoice.company_id.currency_id.id <> invoice.currency_id.id:
+#        return 'addendum'
+#    if journal.currency and (journal.currency.id <> invoice.currency_id.id):
+#        return 'addendum'
     if pool.get('res.currency').is_zero(cr, uid, invoice.currency_id,
             (data['form']['amount'] - invoice.amount_total)):
         return 'reconcile'