diff --git a/src/osgPlugins/p3d/PickEventHandler.cpp b/src/osgPlugins/p3d/PickEventHandler.cpp
index 16aad1c8e..5bf8b9a42 100644
--- a/src/osgPlugins/p3d/PickEventHandler.cpp
+++ b/src/osgPlugins/p3d/PickEventHandler.cpp
@@ -130,7 +130,7 @@ void PickEventHandler::doOperation()
                 std::string delimintor(":");
             #endif
                 std::string filepath("OSG_FILE_PATH=");
-                
+
                 bool needDeliminator = false;
                 for(osgDB::FilePathList::iterator itr = paths.begin();
                     itr != paths.end();
@@ -145,7 +145,7 @@ void PickEventHandler::doOperation()
                 std::string binpath("PATH=");
                 char* path = getenv("PATH");
                 if (path) binpath += path;
-                
+
                 needDeliminator = true;
                 for(osgDB::FilePathList::iterator itr = paths.begin();
                     itr != paths.end();
@@ -158,10 +158,10 @@ void PickEventHandler::doOperation()
                 putenv( (char*) binpath.c_str());
 
             }
-#endif                                    
+#endif
             int result = system(_command.c_str());
-	    
-	    osg::notify(osg::INFO)<<"system("<<_command<<") result "<<result<<std::endl;
+
+            osg::notify(osg::INFO)<<"system("<<_command<<") result "<<result<<std::endl;
 
             break;
         }
@@ -186,7 +186,7 @@ void PickEventHandler::doOperation()
     if (requiresJump())
     {
         osg::notify(osg::NOTICE)<<"Requires jump "<<_relativeJump<<", "<<_slideNum<<", "<<_layerNum<<std::endl;
-        
+
         if (_relativeJump)
         {
             int previousSlide = SlideEventHandler::instance()->getActiveSlide();
@@ -197,7 +197,7 @@ void PickEventHandler::doOperation()
             {
                 newLayer = 0;
             }
-        
+
             osg::notify(osg::NOTICE)<<"   jump to "<<newSlide<<", "<<newLayer<<std::endl;
 
             SlideEventHandler::instance()->selectSlide(newSlide, newLayer);
diff --git a/src/osgPlugins/p3d/ReaderWriterP3D.cpp b/src/osgPlugins/p3d/ReaderWriterP3D.cpp
index 20b4cdf68..cd044f600 100644
--- a/src/osgPlugins/p3d/ReaderWriterP3D.cpp
+++ b/src/osgPlugins/p3d/ReaderWriterP3D.cpp
@@ -870,10 +870,10 @@ void ReaderWriterP3DXML::parseStereoPair(osgPresentation::SlideShowConstructor&
             getProperties(cur,imageDataRight);
         }
     }
-    
+
     if (!filenameLeft.empty() && !filenameRight.empty()) 
         constructor.addStereoImagePair(filenameLeft,imageDataLeft,
-				       filenameRight, imageDataRight,
+                                       filenameRight, imageDataRight,
                                        positionRead ? positionData : constructor.getImagePositionData());
 
 }
diff --git a/src/osgPlugins/p3d/SlideShowConstructor.cpp b/src/osgPlugins/p3d/SlideShowConstructor.cpp
index ddd6d672b..b5ea4be2e 100644
--- a/src/osgPlugins/p3d/SlideShowConstructor.cpp
+++ b/src/osgPlugins/p3d/SlideShowConstructor.cpp
@@ -636,23 +636,23 @@ class FindImageStreamsVisitor : public osg::NodeVisitor
 public:
     FindImageStreamsVisitor():
         osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN) {}
-        
+
     virtual void apply(osg::Node& node)
     {
-	if (node.getStateSet())
-	{
-	     process(node.getStateSet());
-	}
-	traverse(node);
-    }    	
+        if (node.getStateSet())
+        {
+                process(node.getStateSet());
+        }
+        traverse(node);
+    }
 
     virtual void apply(osg::Geode& node)
     {
-	if (node.getStateSet())
-	{
-	     process(node.getStateSet());
-	}
-    	
+        if (node.getStateSet())
+        {
+                process(node.getStateSet());
+        }
+
         for(unsigned int i=0;i<node.getNumDrawables();++i)
         {
             osg::Drawable* drawable = node.getDrawable(i);
@@ -681,7 +681,7 @@ public:
             }
         }
     }
-    
+
 };
 
 void SlideShowConstructor::findImageStreamsAndAddCallbacks(osg::Node* node)
@@ -966,7 +966,7 @@ void SlideShowConstructor::addStereoImagePair(const std::string& filenameLeft, c
             pictureLeftStateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
         }
 
-	attachTexMat(pictureLeftStateSet, imageDataLeft, s, t, usedTextureRectangle);
+        attachTexMat(pictureLeftStateSet, imageDataLeft, s, t, usedTextureRectangle);
 
         pictureLeft->addDrawable(pictureLeftQuad);
 
@@ -984,7 +984,7 @@ void SlideShowConstructor::addStereoImagePair(const std::string& filenameLeft, c
             pictureRightStateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
         }
 
-	attachTexMat(pictureRightStateSet, imageDataRight, s, t, usedTextureRectangle);
+        attachTexMat(pictureRightStateSet, imageDataRight, s, t, usedTextureRectangle);
 
         pictureRight->addDrawable(pictureRightQuad);
     }