diff --git a/content/html/content/src/nsHTMLInputElement.cpp b/content/html/content/src/nsHTMLInputElement.cpp
index ac66960da13c..d233d23e7dde 100644
--- a/content/html/content/src/nsHTMLInputElement.cpp
+++ b/content/html/content/src/nsHTMLInputElement.cpp
@@ -669,10 +669,10 @@ nsHTMLInputElement::Click()
 	  nsMouseEvent event;
 	  event.eventStructType = NS_GUI_EVENT;
 	  event.message = NS_MOUSE_LEFT_CLICK;
-    event.isShift = false;
-    event.isControl = false;
-    event.isAlt = false;
-    event.isMeta = false;
+    event.isShift = PR_FALSE;
+    event.isControl = PR_FALSE;
+    event.isAlt = PR_FALSE;
+    event.isMeta = PR_FALSE;
     event.clickCount = 0;
     event.widget = nsnull;
           rv = HandleDOMEvent(context, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
diff --git a/layout/html/content/src/nsHTMLInputElement.cpp b/layout/html/content/src/nsHTMLInputElement.cpp
index ac66960da13c..d233d23e7dde 100644
--- a/layout/html/content/src/nsHTMLInputElement.cpp
+++ b/layout/html/content/src/nsHTMLInputElement.cpp
@@ -669,10 +669,10 @@ nsHTMLInputElement::Click()
 	  nsMouseEvent event;
 	  event.eventStructType = NS_GUI_EVENT;
 	  event.message = NS_MOUSE_LEFT_CLICK;
-    event.isShift = false;
-    event.isControl = false;
-    event.isAlt = false;
-    event.isMeta = false;
+    event.isShift = PR_FALSE;
+    event.isControl = PR_FALSE;
+    event.isAlt = PR_FALSE;
+    event.isMeta = PR_FALSE;
     event.clickCount = 0;
     event.widget = nsnull;
           rv = HandleDOMEvent(context, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
diff --git a/layout/xul/base/src/nsMenuFrame.cpp b/layout/xul/base/src/nsMenuFrame.cpp
index 27b85b4113c0..d54a8b35a685 100644
--- a/layout/xul/base/src/nsMenuFrame.cpp
+++ b/layout/xul/base/src/nsMenuFrame.cpp
@@ -1231,10 +1231,10 @@ nsMenuFrame::Execute()
   nsMouseEvent event;
   event.eventStructType = NS_EVENT;
   event.message = NS_MENU_ACTION;
-  event.isShift = false;
-  event.isControl = false;
-  event.isAlt = false;
-  event.isMeta = false;
+  event.isShift = PR_FALSE;
+  event.isControl = PR_FALSE;
+  event.isAlt = PR_FALSE;
+  event.isMeta = PR_FALSE;
   event.clickCount = 0;
   event.widget = nsnull;
   mContent->HandleDOMEvent(mPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
@@ -1261,10 +1261,10 @@ nsMenuFrame::OnCreate()
   nsMouseEvent event;
   event.eventStructType = NS_EVENT;
   event.message = NS_MENU_CREATE;
-  event.isShift = false;
-  event.isControl = false;
-  event.isAlt = false;
-  event.isMeta = false;
+  event.isShift = PR_FALSE;
+  event.isControl = PR_FALSE;
+  event.isAlt = PR_FALSE;
+  event.isMeta = PR_FALSE;
   event.clickCount = 0;
   event.widget = nsnull;
   
@@ -1288,10 +1288,10 @@ nsMenuFrame::OnDestroy()
   nsMouseEvent event;
   event.eventStructType = NS_EVENT;
   event.message = NS_MENU_DESTROY;
-  event.isShift = false;
-  event.isControl = false;
-  event.isAlt = false;
-  event.isMeta = false;
+  event.isShift = PR_FALSE;
+  event.isControl = PR_FALSE;
+  event.isAlt = PR_FALSE;
+  event.isMeta = PR_FALSE;
   event.clickCount = 0;
   event.widget = nsnull;
   
diff --git a/layout/xul/base/src/nsPopupSetFrame.cpp b/layout/xul/base/src/nsPopupSetFrame.cpp
index e7dfe860b265..0d1f88facc36 100644
--- a/layout/xul/base/src/nsPopupSetFrame.cpp
+++ b/layout/xul/base/src/nsPopupSetFrame.cpp
@@ -503,10 +503,10 @@ nsPopupSetFrame::OnCreate(nsIContent* aPopupContent)
   nsMouseEvent event;
   event.eventStructType = NS_EVENT;
   event.message = NS_MENU_CREATE;
-  event.isShift = false;
-  event.isControl = false;
-  event.isAlt = false;
-  event.isMeta = false;
+  event.isShift = PR_FALSE;
+  event.isControl = PR_FALSE;
+  event.isAlt = PR_FALSE;
+  event.isMeta = PR_FALSE;
   event.clickCount = 0;
   event.widget = nsnull;
 
@@ -526,10 +526,10 @@ nsPopupSetFrame::OnDestroy()
   nsMouseEvent event;
   event.eventStructType = NS_EVENT;
   event.message = NS_MENU_DESTROY;
-  event.isShift = false;
-  event.isControl = false;
-  event.isAlt = false;
-  event.isMeta = false;
+  event.isShift = PR_FALSE;
+  event.isControl = PR_FALSE;
+  event.isAlt = PR_FALSE;
+  event.isMeta = PR_FALSE;
   event.clickCount = 0;
   event.widget = nsnull;
 
diff --git a/layout/xul/base/src/nsTitledButtonFrame.cpp b/layout/xul/base/src/nsTitledButtonFrame.cpp
index 2b4c695a777c..7324574c8dd1 100644
--- a/layout/xul/base/src/nsTitledButtonFrame.cpp
+++ b/layout/xul/base/src/nsTitledButtonFrame.cpp
@@ -1252,10 +1252,10 @@ nsTitledButtonFrame::MouseClicked (nsIPresContext* aPresContext)
   nsMouseEvent event;
   event.eventStructType = NS_EVENT;
   event.message = NS_MENU_ACTION;
-  event.isShift = false;
-  event.isControl = false;
-  event.isAlt = false;
-  event.isMeta = false;
+  event.isShift = PR_FALSE;
+  event.isControl = PR_FALSE;
+  event.isAlt = PR_FALSE;
+  event.isMeta = PR_FALSE;
   event.clickCount = 0;
   event.widget = nsnull;
   mContent->HandleDOMEvent(aPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);