=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/period/RelativePeriods.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/period/RelativePeriods.java	2012-09-23 14:24:14 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/period/RelativePeriods.java	2013-01-18 10:23:47 +0000
@@ -189,6 +189,10 @@
     
     private boolean last5FinancialYears = false;
     
+    private boolean last4Weeks = false;
+    
+    private boolean last12Weeks = false;
+    
     private boolean last52Weeks = false;
 
     // -------------------------------------------------------------------------
@@ -220,7 +224,8 @@
                             boolean monthsThisYear, boolean quartersThisYear, boolean thisYear,
                             boolean monthsLastYear, boolean quartersLastYear, boolean lastYear, boolean last5Years,
                             boolean last12Months, boolean last3Months, boolean last6BiMonths, boolean last4Quarters, boolean last2SixMonths,
-                            boolean thisFinancialYear, boolean lastFinancialYear, boolean last5FinancialYears, boolean last52Weeks )
+                            boolean thisFinancialYear, boolean lastFinancialYear, boolean last5FinancialYears, 
+                            boolean last4Weeks, boolean last12Weeks, boolean last52Weeks )
     {
         this.reportingMonth = reportingMonth;
         this.reportingBimonth = reportingBimonth;
@@ -241,6 +246,8 @@
         this.thisFinancialYear = thisFinancialYear;
         this.lastFinancialYear = lastFinancialYear;
         this.last5FinancialYears = last5FinancialYears;
+        this.last4Weeks = last4Weeks;
+        this.last12Weeks = last12Weeks;
         this.last52Weeks = last52Weeks;
     }
 
@@ -272,6 +279,8 @@
         this.thisFinancialYear = false;
         this.lastFinancialYear = false;
         this.last5FinancialYears = false;
+        this.last4Weeks = false;
+        this.last12Weeks = false;
         this.last52Weeks = false;
 
         return this;
@@ -501,6 +510,16 @@
             periods.addAll( getRollingRelativePeriodList( new FinancialJulyPeriodType(), LAST_5_FINANCIAL_YEARS, date, dynamicNames, format ) );
         }
 
+        if ( isLast4Weeks() )
+        {
+            periods.addAll( getRollingRelativePeriodList( new WeeklyPeriodType(), WEEKS_LAST_52, date, dynamicNames, format ).subList( 48, 52 ) );
+        }
+
+        if ( isLast12Weeks() )
+        {
+            periods.addAll( getRollingRelativePeriodList( new WeeklyPeriodType(), WEEKS_LAST_52, date, dynamicNames, format ).subList( 40, 52 ) );
+        }
+        
         if ( isLast52Weeks() )
         {
             periods.addAll( getRollingRelativePeriodList( new WeeklyPeriodType(), WEEKS_LAST_52, date, dynamicNames, format ) );
@@ -959,6 +978,30 @@
 
     @JsonProperty
     @JacksonXmlProperty( namespace = Dxf2Namespace.NAMESPACE )
+    public boolean isLast4Weeks()
+    {
+        return last4Weeks;
+    }
+
+    public void setLast4Weeks( boolean last4Weeks )
+    {
+        this.last4Weeks = last4Weeks;
+    }
+
+    @JsonProperty
+    @JacksonXmlProperty( namespace = Dxf2Namespace.NAMESPACE )
+    public boolean isLast12Weeks()
+    {
+        return last12Weeks;
+    }
+
+    public void setLast12Weeks( boolean last12Weeks )
+    {
+        this.last12Weeks = last12Weeks;
+    }
+
+    @JsonProperty
+    @JacksonXmlProperty( namespace = Dxf2Namespace.NAMESPACE )
     public boolean isLast52Weeks()
     {
         return last52Weeks;
@@ -1000,6 +1043,8 @@
         result = prime * result + (thisFinancialYear ? 1 : 0);
         result = prime * result + (lastFinancialYear ? 1 : 0);
         result = prime * result + (last5FinancialYears ? 1 : 0);
+        result = prime * result + (last4Weeks ? 1 : 0);
+        result = prime * result + (last12Weeks ? 1 : 0);
         result = prime * result + (last52Weeks ? 1 : 0);
 
         return result;
@@ -1120,6 +1165,16 @@
             return false;
         }
 
+        if ( !last4Weeks == other.last4Weeks )
+        {
+            return false;
+        }
+
+        if ( !last12Weeks == other.last12Weeks )
+        {
+            return false;
+        }
+
         if ( !last52Weeks == other.last52Weeks )
         {
             return false;

=== modified file 'dhis-2/dhis-api/src/test/java/org/hisp/dhis/period/RelativePeriodTest.java'
--- dhis-2/dhis-api/src/test/java/org/hisp/dhis/period/RelativePeriodTest.java	2013-01-14 16:10:34 +0000
+++ dhis-2/dhis-api/src/test/java/org/hisp/dhis/period/RelativePeriodTest.java	2013-01-18 10:23:47 +0000
@@ -60,11 +60,11 @@
     @Test
     public void getRelativePeriods()
     {        
-        RelativePeriods periods = new RelativePeriods( true, true, true, true, true, true, true, true, true, true, true, true, false, true, true, true, true, true, true, true );
+        RelativePeriods periods = new RelativePeriods( true, true, true, true, true, true, true, true, true, true, true, true, false, true, true, true, true, true, true, true, true, true );
         
         List<Period> relatives = periods.getRelativePeriods( getDate( 2001, 1, 1 ), i18nFormat, false );
 
-        assertEquals( 126, relatives.size() );
+        assertEquals( 142, relatives.size() );
         assertTrue( relatives.contains( new Period( new MonthlyPeriodType(), getDate( 2001, 1, 1 ), getDate( 2001, 1, 31 ) ) ) );
         assertTrue( relatives.contains( new Period( new MonthlyPeriodType(), getDate( 2001, 2, 1 ), getDate( 2001, 2, 28 ) ) ) );
         assertTrue( relatives.contains( new Period( new MonthlyPeriodType(), getDate( 2001, 3, 1 ), getDate( 2001, 3, 31 ) ) ) );