diff --git a/mozilla/layout/html/table/src/nsTableFrame.cpp b/mozilla/layout/html/table/src/nsTableFrame.cpp
index bebe80dd74f..12419e671ec 100644
--- a/mozilla/layout/html/table/src/nsTableFrame.cpp
+++ b/mozilla/layout/html/table/src/nsTableFrame.cpp
@@ -3894,11 +3894,14 @@ nscoord nsTableFrame::ComputeDesiredHeight(nsIPresContext&          aPresContext
   NS_ASSERTION(mCellMap, "never ever call me until the cell map is built!");
   nscoord result = aDefaultHeight;
 
-  nscoord tableSpecifiedHeight;
+  const nsStyleTable* tableStyle;
+  GetStyleData(eStyleStruct_Table, (const nsStyleStruct *&)tableStyle);
+  nscoord tableSpecifiedHeight=-1;
   GetTableSpecifiedHeight(tableSpecifiedHeight, aReflowState);
-  if (-1 != tableSpecifiedHeight) {
-    if (tableSpecifiedHeight > aDefaultHeight) { 
-      // proportionately distribute the excess height to each row
+  if (-1!=tableSpecifiedHeight)
+  {
+    if (tableSpecifiedHeight>aDefaultHeight)
+    { // proportionately distribute the excess height to each row
       result = tableSpecifiedHeight;
       nscoord excess = tableSpecifiedHeight - aDefaultHeight;
       nscoord sumOfRowHeights = 0;
@@ -4940,6 +4943,12 @@ PRBool nsTableFrame::TableIsAutoWidth(nsTableFrame *aTableFrame,
                                       const nsHTMLReflowState& aReflowState,
                                       nscoord& aSpecifiedTableWidth)
 {
+  if (aReflowState.mComputedWidth > 0 &&
+      aReflowState.mComputedWidth != NS_UNCONSTRAINEDSIZE) {
+    aSpecifiedTableWidth = aReflowState.mComputedWidth;
+    return PR_FALSE;
+  }
+
   NS_ASSERTION(nsnull != aTableStyle, "bad arg - aTableStyle");
   PRBool result = PR_TRUE;  // the default
   if (aTableStyle) {
diff --git a/mozilla/layout/html/table/src/nsTableOuterFrame.cpp b/mozilla/layout/html/table/src/nsTableOuterFrame.cpp
index ce87c805bd9..040401fa1df 100644
--- a/mozilla/layout/html/table/src/nsTableOuterFrame.cpp
+++ b/mozilla/layout/html/table/src/nsTableOuterFrame.cpp
@@ -915,6 +915,9 @@ NS_METHOD nsTableOuterFrame::Reflow(nsIPresContext&          aPresContext,
     // First reflow the inner table
     nsHTMLReflowState   innerReflowState(aPresContext, aReflowState, mInnerTableFrame,
                                          nsSize(tableWidth, aReflowState.availableHeight));
+    innerReflowState.mComputedWidth = aReflowState.mComputedWidth;
+    innerReflowState.mComputedHeight = aReflowState.mComputedHeight;
+
     nsHTMLReflowMetrics innerSize(aDesiredSize.maxElementSize); 
 
     rv = ReflowChild(mInnerTableFrame, aPresContext, innerSize, innerReflowState, aStatus);
diff --git a/mozilla/layout/tables/nsTableFrame.cpp b/mozilla/layout/tables/nsTableFrame.cpp
index bebe80dd74f..12419e671ec 100644
--- a/mozilla/layout/tables/nsTableFrame.cpp
+++ b/mozilla/layout/tables/nsTableFrame.cpp
@@ -3894,11 +3894,14 @@ nscoord nsTableFrame::ComputeDesiredHeight(nsIPresContext&          aPresContext
   NS_ASSERTION(mCellMap, "never ever call me until the cell map is built!");
   nscoord result = aDefaultHeight;
 
-  nscoord tableSpecifiedHeight;
+  const nsStyleTable* tableStyle;
+  GetStyleData(eStyleStruct_Table, (const nsStyleStruct *&)tableStyle);
+  nscoord tableSpecifiedHeight=-1;
   GetTableSpecifiedHeight(tableSpecifiedHeight, aReflowState);
-  if (-1 != tableSpecifiedHeight) {
-    if (tableSpecifiedHeight > aDefaultHeight) { 
-      // proportionately distribute the excess height to each row
+  if (-1!=tableSpecifiedHeight)
+  {
+    if (tableSpecifiedHeight>aDefaultHeight)
+    { // proportionately distribute the excess height to each row
       result = tableSpecifiedHeight;
       nscoord excess = tableSpecifiedHeight - aDefaultHeight;
       nscoord sumOfRowHeights = 0;
@@ -4940,6 +4943,12 @@ PRBool nsTableFrame::TableIsAutoWidth(nsTableFrame *aTableFrame,
                                       const nsHTMLReflowState& aReflowState,
                                       nscoord& aSpecifiedTableWidth)
 {
+  if (aReflowState.mComputedWidth > 0 &&
+      aReflowState.mComputedWidth != NS_UNCONSTRAINEDSIZE) {
+    aSpecifiedTableWidth = aReflowState.mComputedWidth;
+    return PR_FALSE;
+  }
+
   NS_ASSERTION(nsnull != aTableStyle, "bad arg - aTableStyle");
   PRBool result = PR_TRUE;  // the default
   if (aTableStyle) {
diff --git a/mozilla/layout/tables/nsTableOuterFrame.cpp b/mozilla/layout/tables/nsTableOuterFrame.cpp
index ce87c805bd9..040401fa1df 100644
--- a/mozilla/layout/tables/nsTableOuterFrame.cpp
+++ b/mozilla/layout/tables/nsTableOuterFrame.cpp
@@ -915,6 +915,9 @@ NS_METHOD nsTableOuterFrame::Reflow(nsIPresContext&          aPresContext,
     // First reflow the inner table
     nsHTMLReflowState   innerReflowState(aPresContext, aReflowState, mInnerTableFrame,
                                          nsSize(tableWidth, aReflowState.availableHeight));
+    innerReflowState.mComputedWidth = aReflowState.mComputedWidth;
+    innerReflowState.mComputedHeight = aReflowState.mComputedHeight;
+
     nsHTMLReflowMetrics innerSize(aDesiredSize.maxElementSize); 
 
     rv = ReflowChild(mInnerTableFrame, aPresContext, innerSize, innerReflowState, aStatus);