diff --git a/db/ddlutils/postgresql/functions/C_Invoice_OpenToDate.sql b/db/ddlutils/postgresql/functions/C_Invoice_OpenToDate.sql
new file mode 100644
index 0000000000..518cb6a8c8
--- /dev/null
+++ b/db/ddlutils/postgresql/functions/C_Invoice_OpenToDate.sql
@@ -0,0 +1,125 @@
+/*
+ *This file is part of Adempiere ERP Bazaar
+ *http://www.adempiere.org
+ *Copyright (C) 2006-2008 victor.perez@e-evolution.com, e-Evolution
+ *This program is free software; you can redistribute it and/or
+ *modify it under the terms of the GNU General Public License
+ *as published by the Free Software Foundation; either version 2
+ *of the License, or (at your option) any later version.
+ *
+ *This program is distributed in the hope that it will be useful,
+ *but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *GNU General Public License for more details.
+ *
+ *You should have received a copy of the GNU General Public License
+ *along with this program; if not, write to the Free Software
+ *Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.of 
+ * Title: Calculate Open Item Amount in Invoice Currency
+ * Description:
+ * Add up total amount open for C_Invoice_ID if no split payment.
+ *  Grand Total minus Sum of Allocations in Invoice Currency
+ *
+ *  For Split Payments:
+ *  Allocate Payments starting from first schedule.
+ 
+SELECT C_Invoice_Open (109) FROM DUAL;
+SELECT C_Invoice_Open (109, null) FROM DUAL;
+SELECT C_Invoice_Open (109, 11) FROM DUAL;
+SELECT C_Invoice_Open (109, 102) FROM DUAL;
+SELECT C_Invoice_Open (109, 103) FROM DUAL;
+SELECT * FROM RV_OpenItem WHERE C_Invoice_ID=109;
+SELECT C_InvoicePaySchedule_ID, DueAmt FROM C_InvoicePaySchedule WHERE C_Invoice_ID=109 ORDER BY DueDate;
+
+*  Cannot be used for IsPaid as mutating
+************************************************************************/
+CREATE OR REPLACE FUNCTION InvoiceopenToDate
+(
+ p_C_Invoice_ID             IN numeric,
+    p_C_InvoicePaySchedule_ID   IN  numeric,
+	p_DateAcct IN DATE
+)
+RETURNS numeric
+AS
+$BODY$
+DECLARE
+	v_Currency_ID  numeric(10);
+	v_TotalOpenAmt   numeric := 0;
+	v_PaidAmt           numeric := 0;
+	v_Remaining         numeric := 0;
+	v_MultiplierAP      numeric := 0;
+	v_MultiplierCM      numeric := 0;
+	v_Temp              numeric := 0;
+	allocationline	    record;
+	invoiceschedule	    record;
+BEGIN
+ -- Get Currency
+ BEGIN
+  SELECT MAX(C_Currency_ID), SUM(GrandTotal), MAX(MultiplierAP), MAX(Multiplier)
+    INTO v_Currency_ID, v_TotalOpenAmt, v_MultiplierAP, v_MultiplierCM
+  FROM C_Invoice_v  -- corrected for CM / Split Payment
+  WHERE C_Invoice_ID = p_C_Invoice_ID
+    AND DateAcct <= p_DateAcct;
+ EXCEPTION -- Invoice in draft form
+  WHEN OTHERS THEN
+            --DBMS_OUTPUT.PUT_LINE('InvoiceOpen - ' || SQLERRM);
+   RETURN NULL;
+ END;
+--  DBMS_OUTPUT.PUT_LINE('== C_Invoice_ID=' || p_C_Invoice_ID || ', Total=' || v_TotalOpenAmt || ', AP=' || v_MultiplierAP || ', CM=' || v_MultiplierCM);
+
+ -- Calculate Allocated Amount
+ FOR allocationline IN  
+  SELECT a.AD_Client_ID, a.AD_Org_ID,
+            al.Amount, al.DiscountAmt, al.WriteOffAmt,
+            a.C_Currency_ID, a.DateTrx
+  FROM C_ALLOCATIONLINE al
+          INNER JOIN C_ALLOCATIONHDR a ON (al.C_AllocationHdr_ID=a.C_AllocationHdr_ID)
+  WHERE al.C_Invoice_ID = p_C_Invoice_ID
+    AND a.DateAcct <= p_DateAcct
+    AND   a.IsActive='Y'
+ LOOP
+        v_Temp := allocationline.Amount + allocationline.DisCountAmt + allocationline.WriteOffAmt;
+  v_PaidAmt := v_PaidAmt
+        -- Allocation
+   + Currencyconvert(v_Temp * v_MultiplierAP,
+    allocationline.C_Currency_ID, v_Currency_ID, allocationline.DateTrx, NULL, allocationline.AD_Client_ID, allocationline.AD_Org_ID);
+      --DBMS_OUTPUT.PUT_LINE('   PaidAmt=' || v_PaidAmt || ', Allocation=' || v_Temp || ' * ' || v_MultiplierAP);
+ END LOOP;
+
+    --  Do we have a Payment Schedule ?
+    IF (p_C_InvoicePaySchedule_ID > 0) THEN --   if not valid = lists invoice amount
+        v_Remaining := v_PaidAmt;
+        FOR invoiceschedule IN 
+        SELECT  C_InvoicePaySchedule_ID, DueAmt FROM    C_INVOICEPAYSCHEDULE WHERE C_Invoice_ID = p_C_Invoice_ID AND IsValid='Y'
+        ORDER BY DueDate
+        LOOP
+            IF (invoiceschedule.C_InvoicePaySchedule_ID = p_C_InvoicePaySchedule_ID) THEN
+                v_TotalOpenAmt := (invoiceschedule.DueAmt*v_MultiplierCM) - v_Remaining;
+                IF (invoiceschedule.DueAmt - v_Remaining < 0) THEN
+                    v_TotalOpenAmt := 0;
+                END IF;
+            --  DBMS_OUTPUT.PUT_LINE('Sched Total=' || v_TotalOpenAmt || ', Due=' || s.DueAmt || ',Remaining=' || v_Remaining || ',CM=' || v_MultiplierCM);
+            ELSE -- calculate amount, which can be allocated to next schedule
+                v_Remaining := v_Remaining - invoiceschedule.DueAmt;
+                IF (v_Remaining < 0) THEN
+                    v_Remaining := 0;
+                END IF;
+            --  DBMS_OUTPUT.PUT_LINE('Remaining=' || v_Remaining);
+            END IF;
+        END LOOP;
+    ELSE
+        v_TotalOpenAmt := v_TotalOpenAmt - v_PaidAmt;
+    END IF;
+--  DBMS_OUTPUT.PUT_LINE('== Total=' || v_TotalOpenAmt);
+
+ -- Ignore Rounding
+ IF (v_TotalOpenAmt BETWEEN -0.00999 AND 0.00999) THEN
+  v_TotalOpenAmt := 0;
+ END IF;
+
+ -- Round to penny
+ v_TotalOpenAmt := ROUND(COALESCE(v_TotalOpenAmt,0), 2);
+ RETURN v_TotalOpenAmt;
+END;
+$BODY$
+  LANGUAGE 'plpgsql' STABLE STRICT
diff --git a/db/ddlutils/postgresql/functions/C_Invoice_PaidToDate.sql b/db/ddlutils/postgresql/functions/C_Invoice_PaidToDate.sql
new file mode 100644
index 0000000000..8b7d161a4f
--- /dev/null
+++ b/db/ddlutils/postgresql/functions/C_Invoice_PaidToDate.sql
@@ -0,0 +1,70 @@
+/*
+ *This file is part of Adempiere ERP Bazaar
+ *http://www.adempiere.org
+ *Copyright (C) 2006-2008 victor.perez@e-evolution.com, e-Evolution
+ *This program is free software; you can redistribute it and/or
+ *modify it under the terms of the GNU General Public License
+ *as published by the Free Software Foundation; either version 2
+ *of the License, or (at your option) any later version.
+ *
+ *This program is distributed in the hope that it will be useful,
+ *but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *GNU General Public License for more details.
+ *
+ *You should have received a copy of the GNU General Public License
+ *along with this program; if not, write to the Free Software
+ *Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.of 
+ * Title:	Calculate Paid/Allocated amount in Currency
+ * Description:
+ *	Add up total amount paid for for C_Invoice_ID.
+ *  Split Payments are ignored.
+ *  all allocation amounts  converted to invoice C_Currency_ID
+ *	round it to the nearest cent
+ *	and adjust for CreditMemos by using C_Invoice_v
+ *  and for Payments with the multiplierAP (-1, 1)
+ *
+    SELECT C_Invoice_ID, IsPaid, IsSOTrx, GrandTotal,
+    C_Invoice_Paid (C_Invoice_ID, C_Currency_ID, MultiplierAP, DateAcct)
+    FROM C_Invoice_v;
+    --
+    UPDATE C_Invoice_v1
+ 	SET IsPaid = CASE WHEN C_Invoice_Paid(C_Invoice_ID,C_Currency_ID,MultiplierAP,DateAcct)=GrandTotal THEN 'Y' ELSE 'N' END
+    WHERE C_Invoice_ID>1000000
+ *
+ ************************************************************************/
+ 
+CREATE OR REPLACE FUNCTION InvoicepaidToDate
+(
+	p_C_Invoice_ID		IN	numeric,
+	p_C_Currency_ID	    	IN	numeric,
+	p_MultiplierAP		IN	numeric,	-- DEFAULT 1
+	p_DateAcct 		IN	timestamp with time zone
+)
+RETURNS numeric
+AS
+$BODY$
+DECLARE
+	v_MultiplierAP		numeric := 1;
+	v_PaymentAmt		numeric := 0;
+	allocation 		record;
+BEGIN
+	--	Default
+	IF (p_MultiplierAP IS NOT NULL) THEN
+		v_MultiplierAP := p_MultiplierAP;
+	END IF;
+	--	Calculate Allocated Amount
+	FOR allocation IN 
+	SELECT	allocation.AD_Client_ID, allocation.AD_Org_ID,al.Amount, al.DiscountAmt, al.WriteOffAmt,allocation.C_Currency_ID, allocation.DateTrx
+	FROM	C_ALLOCATIONLINE al
+        WHERE	al.C_Invoice_ID = p_C_Invoice_ID AND   allocation.IsActive='Y' AND allocation.DateAcct <= p_DateAcct
+	LOOP
+		v_PaymentAmt := v_PaymentAmt
+			+ Currencyconvert(allocation.Amount + allocation.DisCountAmt + allocation.WriteOffAmt,
+				allocation.C_Currency_ID, p_C_Currency_ID, allocation.DateTrx, NULL, allocation.AD_Client_ID, allocation.AD_Org_ID);
+	END LOOP;
+	--
+	RETURN	ROUND(COALESCE(v_PaymentAmt,0), 2) * v_MultiplierAP;
+END;	
+$BODY$
+LANGUAGE 'plpgsql' STABLE STRICT
diff --git a/db/ddlutils/postgresql/functions/documentNo.sql b/db/ddlutils/postgresql/functions/documentNo.sql
new file mode 100644
index 0000000000..0ea75e756c
--- /dev/null
+++ b/db/ddlutils/postgresql/functions/documentNo.sql
@@ -0,0 +1,51 @@
+/*
+ *This file is part of Adempiere ERP Bazaar
+ *http://www.adempiere.org
+ *Copyright (C) 2006-2008 Antonio Cañaveral, e-Evolution
+ *
+ *This program is free software; you can redistribute it and/or
+ *modify it under the terms of the GNU General Public License
+ *as published by the Free Software Foundation; either version 2
+ *of the License, or (at your option) any later version.
+ *
+ *This program is distributed in the hope that it will be useful,
+ *but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *GNU General Public License for more details.
+ *
+ *You should have received a copy of the GNU General Public License
+ *along with this program; if not, write to the Free Software
+ *Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.of 
+ * Return the Document for Dcocument Type
+ */
+create or replace FUNCTION documentNo
+(
+      p_PP_MRP_ID IN PP_MRP.PP_MRP_ID%TYPE
+)
+RETURNS PP_MRP.Value%TYPE
+AS
+$BODY$
+DECLARE
+	v_DocumentNo PP_MRP.Value%TYPE := '';
+BEGIN
+	-- If NO id return empty string
+	IF p_PP_MRP_ID <= 0 THEN
+		RETURN '';
+	END IF;
+	SELECT --ordertype, m_forecast_id, c_order_id, dd_order_id, pp_order_id, m_requisition_id,
+	CASE
+			WHEN trim(mrp.ordertype) = 'FTC' THEN (SELECT f.Name FROM M_Forecast f WHERE f.M_Forecast_ID=mrp.M_Forecast_ID)
+			WHEN trim(mrp.ordertype) = 'POO' THEN (SELECT co.DocumentNo  FROM C_Order co WHERE co.C_Order_ID=mrp.C_Order_ID)
+			WHEN trim(mrp.ordertype) = 'DOO' THEN (SELECT dd.DocumentNo  FROM DD_Order dd WHERE dd.DD_Order_ID=mrp.DD_Order_ID)
+			WHEN trim(mrp.ordertype) = 'SOO' THEN (SELECT co.DocumentNo  FROM C_Order co WHERE co.C_Order_ID=mrp.C_Order_ID)
+			WHEN trim(mrp.ordertype) = 'MOP' THEN (SELECT po.DocumentNo FROM PP_Order po WHERE po.PP_Order_ID=mrp.PP_Order_ID)
+			WHEN trim(mrp.ordertype) = 'POR' THEN (SELECT r.DocumentNo  FROM M_Requisition r WHERE r.M_Requisition_ID=mrp.M_Requisition_ID)
+			
+	END INTO v_DocumentNo
+	FROM pp_mrp mrp
+	WHERE mrp.pp_mrp_id = p_PP_MRP_ID;
+	RETURN v_DocumentNo;
+END;	
+$BODY$
+  LANGUAGE 'plpgsql' STABLE STRICT
+  COST 100;
diff --git a/db/ddlutils/postgresql/functions/firstOf.sql b/db/ddlutils/postgresql/functions/firstOf.sql
index 37a901d37e..1b03769973 100644
--- a/db/ddlutils/postgresql/functions/firstOf.sql
+++ b/db/ddlutils/postgresql/functions/firstOf.sql
@@ -26,7 +26,7 @@ SET search_path = adempiere, pg_catalog;
 CREATE OR REPLACE FUNCTION firstOf (
 IN TIMESTAMP WITH TIME ZONE, -- $1 date
 IN VARCHAR -- $2 part of date
-) RETURNS DATE AS
+) RETURNS TIMESTAMP WITH TIME ZONE AS
 $$
 DECLARE
 datepart VARCHAR;
@@ -67,6 +67,6 @@ BEGIN
 		datepart = 'microseconds';
 	END IF;
 	datetime = date_trunc(datepart, $1); 
-RETURN cast(datetime as date);
+RETURN datetime;
 END;
 $$ LANGUAGE plpgsql;