diff --git a/resources/images/cache_circle.png b/resources/images/cache_circle.png
new file mode 100644
index 00000000..58342c56
Binary files /dev/null and b/resources/images/cache_circle.png differ
diff --git a/resources/images/cache_close.png b/resources/images/cache_close.png
new file mode 100644
index 00000000..b5341287
Binary files /dev/null and b/resources/images/cache_close.png differ
diff --git a/resources/images/cache_open.png b/resources/images/cache_open.png
new file mode 100644
index 00000000..ceef7ed2
Binary files /dev/null and b/resources/images/cache_open.png differ
diff --git a/resources/images/cache_square.png b/resources/images/cache_square.png
new file mode 100644
index 00000000..78306b40
Binary files /dev/null and b/resources/images/cache_square.png differ
diff --git a/resources/sankore.qrc b/resources/sankore.qrc
index ebd0fc91..5b7fa1aa 100644
--- a/resources/sankore.qrc
+++ b/resources/sankore.qrc
@@ -317,5 +317,10 @@
         <file>images/library_open.png</file>
         <file>images/pages_close.png</file>
         <file>images/pages_open.png</file>
+        <file>images/cache_close.png</file>
+        <file>images/cache_open.png</file>
+        <file>style.qss</file>
+        <file>images/cache_circle.png</file>
+        <file>images/cache_square.png</file>
     </qresource>
 </RCC>
diff --git a/resources/style.qss b/resources/style.qss
new file mode 100644
index 00000000..57e2b47d
--- /dev/null
+++ b/resources/style.qss
@@ -0,0 +1,52 @@
+QWidget#DockPaletteWidgetBox
+{
+	background: #EEEEEE;
+	border-radius: 10px;
+	border: 2px solid #999999;
+}
+
+QColorDialog
+{
+	background: #EEEEEE;
+}
+
+QLabel#DockPaletteWidgetTitle
+{
+	color: #FFFFFF;
+	font-size : 18px;
+	font-weight:bold;
+}
+
+QPushButton#DockPaletteWidgetButton
+{
+	background-color : #DDDDDD;
+	color : #555555;
+	border-radius : 6px;
+	padding : 5px;
+	font-weight : bold;
+	font-size : 12px;
+}
+
+QPushButton#DockPaletteWidgetButton::checked
+{
+	background-color: #BBBBBB;
+}
+
+QSlider::handle::horizontal
+{
+	background-color:#EEEEEE;
+	margin-top:-5px;
+	margin-bottom:-5px;
+	height:20px;
+	width:18px;
+	border-radius:10px;
+	border:1px solid #555555;
+}
+
+QSlider::groove::horizontal
+{
+	background-color:#999999;
+	height:10px;
+	border-radius:5px;
+	border:1px solid #555555;
+}
\ No newline at end of file
diff --git a/src/adaptors/UBSvgSubsetAdaptor.cpp b/src/adaptors/UBSvgSubsetAdaptor.cpp
index acfdce99..ee5c1aae 100644
--- a/src/adaptors/UBSvgSubsetAdaptor.cpp
+++ b/src/adaptors/UBSvgSubsetAdaptor.cpp
@@ -48,6 +48,7 @@
 #include "core/UBSettings.h"
 #include "core/UBSetting.h"
 #include "core/UBPersistenceManager.h"
+#include "core/UBApplication.h"
 
 #include "pdf/PDFRenderer.h"
 
@@ -672,6 +673,7 @@ UBGraphicsScene* UBSvgSubsetAdaptor::UBSvgSubsetReader::loadScene()
                 {
                     scene->addItem(cache);
                     scene->registerTool(cache);
+                    UBApplication::boardController->notifyCache(true);
                 }
             }
             else if (mXmlReader.name() == "foreignObject")
@@ -2680,7 +2682,24 @@ UBGraphicsTriangle* UBSvgSubsetAdaptor::UBSvgSubsetReader::triangleFromSvg()
 UBGraphicsCache* UBSvgSubsetAdaptor::UBSvgSubsetReader::cacheFromSvg()
 {
     UBGraphicsCache* pCache = new UBGraphicsCache();
+    //pCache->setZValue(UBGraphicsScene::toolLayerStart + UBGraphicsScene::toolOffsetCache);
     pCache->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Tool));
+
+    graphicsItemFromSvg(pCache);
+
+    QStringRef colorR = mXmlReader.attributes().value("colorR");
+    QStringRef colorG = mXmlReader.attributes().value("colorG");
+    QStringRef colorB = mXmlReader.attributes().value("colorB");
+    QStringRef colorA = mXmlReader.attributes().value("colorA");
+    QStringRef shape = mXmlReader.attributes().value("shape");
+    QStringRef shapeSize = mXmlReader.attributes().value("shapeSize");
+
+    QColor color(colorR.toString().toInt(), colorG.toString().toInt(), colorB.toString().toInt(), colorA.toString().toInt());
+
+    pCache->setMaskColor(color);
+    pCache->setShapeWidth(shapeSize.toString().toInt());
+    pCache->setMaskShape(static_cast<eMaskShape>(shape.toString().toInt()));
+
     pCache->setVisible(true);
 
     return pCache;
@@ -2694,6 +2713,12 @@ void UBSvgSubsetAdaptor::UBSvgSubsetWriter::cacheToSvg(UBGraphicsCache* item)
     mXmlWriter.writeAttribute("y", QString("%1").arg(item->rect().y()));
     mXmlWriter.writeAttribute("width", QString("%1").arg(item->rect().width()));
     mXmlWriter.writeAttribute("height", QString("%1").arg(item->rect().height()));
+    mXmlWriter.writeAttribute("colorR", QString("%1").arg(item->maskColor().red()));
+    mXmlWriter.writeAttribute("colorG", QString("%1").arg(item->maskColor().green()));
+    mXmlWriter.writeAttribute("colorB", QString("%1").arg(item->maskColor().blue()));
+    mXmlWriter.writeAttribute("colorA", QString("%1").arg(item->maskColor().alpha()));
+    mXmlWriter.writeAttribute("shape", QString("%1").arg(item->maskshape()));
+    mXmlWriter.writeAttribute("shapeSize", QString("%1").arg(item->shapeWidth()));
 
     QString zs;
     zs.setNum(item->zValue(), 'f'); // 'f' keeps precision
diff --git a/src/board/UBBoardController.cpp b/src/board/UBBoardController.cpp
index 867ddac4..cd1a4fed 100644
--- a/src/board/UBBoardController.cpp
+++ b/src/board/UBBoardController.cpp
@@ -484,6 +484,7 @@ void UBBoardController::addScene(UBDocumentProxy* proxy, int sceneIndex, bool re
     if (scene)
     {
         addScene(scene, replaceActiveIfEmpty);
+        emit pageChanged();
     }
 }
 
@@ -501,6 +502,8 @@ void UBBoardController::duplicateScene()
 
     setActiveDocumentScene(mActiveDocument, mActiveSceneIndex + 1);
     QApplication::restoreOverrideCursor();
+
+    emit pageChanged();
 }
 
 
@@ -669,6 +672,7 @@ void UBBoardController::previousScene()
     }
 
     updateActionStates();
+    emit pageChanged();
 }
 
 
@@ -683,7 +687,7 @@ void UBBoardController::nextScene()
     }
 
     updateActionStates();
-
+    emit pageChanged();
 }
 
 
@@ -698,6 +702,7 @@ void UBBoardController::firstScene()
     }
 
     updateActionStates();
+    emit pageChanged();
 }
 
 
@@ -712,6 +717,7 @@ void UBBoardController::lastScene()
     }
 
     updateActionStates();
+    emit pageChanged();
 }
 
 
@@ -1017,6 +1023,11 @@ void UBBoardController::downloadFinished(bool pSuccess, QUrl sourceUrl, QString
             mActiveScene->addTriangle(pPos);
             UBDrawingController::drawingController()->setStylusTool(UBStylusTool::Selector);
         }
+        else if (sourceUrl.toString() == UBToolsManager::manager()->cache.id)
+        {
+            mActiveScene->addCache();
+            UBDrawingController::drawingController()->setStylusTool(UBStylusTool::Selector);
+        }
         else if (sourceUrl.toString() == UBToolsManager::manager()->magnifier.id)
         {
             UBMagnifierParams params;
@@ -1145,7 +1156,7 @@ void UBBoardController::setActiveDocumentScene(UBDocumentProxy* pDocumentProxy,
     }
 
     // Notify the navigator palette that the document has changed
-    mPaletteManager->leftPalette()->pageNavigator()->setDocument(pDocumentProxy);
+    mPaletteManager->leftPalette()->pageNavigator()->setDocument(pDocumentProxy);
 
     if (sceneChange)
         emit activeSceneChanged();
@@ -1516,6 +1527,17 @@ void UBBoardController::setPageSize(QSize newSize)
     }
 }
 
+void UBBoardController::notifyCache(bool visible)
+{
+    if(visible)
+    {
+        emit cacheEnabled();
+    }
+    else
+    {
+        emit cacheDisabled();
+    }
+}
 
 void UBBoardController::updatePageSizeState()
 {
@@ -1928,7 +1950,6 @@ void UBBoardController::addItem()
     }
 }
 
-
 void UBBoardController::importPage()
 {
     int pageCount = mActiveDocument->pageCount();
@@ -1939,7 +1960,10 @@ void UBBoardController::importPage()
     }
 }
 
-
+void UBBoardController::notifyPageChanged()
+{
+    emit pageChanged();
+}
 
 
 
diff --git a/src/board/UBBoardController.h b/src/board/UBBoardController.h
index f8889fce..f53dcbd7 100644
--- a/src/board/UBBoardController.h
+++ b/src/board/UBBoardController.h
@@ -157,6 +157,9 @@ class UBBoardController : public QObject
             return mPaletteManager;
         }
 
+        void notifyCache(bool visible);
+        void notifyPageChanged();
+
     public slots:
 
         void setActiveDocumentScene(UBDocumentProxy* pDocumentProxy, int pSceneIndex = 0);
@@ -255,6 +258,9 @@ class UBBoardController : public QObject
         void controlViewportChanged();
 
         void backgroundChanged();
+        void cacheEnabled();
+        void cacheDisabled();
+        void pageChanged();
 
     protected:
 
diff --git a/src/core/UBApplication.cpp b/src/core/UBApplication.cpp
index 90e2dfd3..c72ccfdd 100644
--- a/src/core/UBApplication.cpp
+++ b/src/core/UBApplication.cpp
@@ -600,3 +600,19 @@ void UBStyle::drawItemText(QPainter *painter, const QRect &rect, int alignment,
     if (textRole != QPalette::NoRole)
         painter->setPen(savedPen);
 }
+
+QString UBApplication::globalStyleSheet()
+{
+    QString style;
+
+    QFile f(":style.qss");
+    if(f.exists())
+    {
+        if(f.open(QIODevice::ReadOnly))
+        {
+            style = QString(f.readAll());
+        }
+    }
+
+    return style;
+}
diff --git a/src/core/UBApplication.h b/src/core/UBApplication.h
index 88fe7969..a68d928a 100644
--- a/src/core/UBApplication.h
+++ b/src/core/UBApplication.h
@@ -78,6 +78,7 @@ class UBApplication : public QtSingleApplication
         static void setDisabled(bool disable);
 
         static QObject* staticMemoryCleaner;
+        static QString globalStyleSheet();
 
         void decorateActionMenu(QAction* action);
         void insertSpaceToToolbarBeforeAction(QToolBar* toolbar, QAction* action, int width = -1);
diff --git a/src/domain/UBGraphicsScene.cpp b/src/domain/UBGraphicsScene.cpp
index f908c9e6..78d33d8e 100644
--- a/src/domain/UBGraphicsScene.cpp
+++ b/src/domain/UBGraphicsScene.cpp
@@ -36,6 +36,7 @@
 #include "tools/UBGraphicsCompass.h"
 #include "tools/UBGraphicsTriangle.h"
 #include "tools/UBGraphicsCurtainItem.h"
+#include "tools/UBGraphicsCache.h"
 
 #include "document/UBDocumentProxy.h"
 
@@ -1626,6 +1627,25 @@ void UBGraphicsScene::addCompass(QPointF center)
     setModified(true);
 }
 
+void UBGraphicsScene::addCache()
+{
+    UBGraphicsCache* cache = new UBGraphicsCache();
+    mTools << cache;
+    QGraphicsView* view;
+
+    if(UBApplication::applicationController->displayManager()->hasDisplay())
+    {
+        view = (QGraphicsView*)(UBApplication::boardController->displayView());
+    }
+    else
+    {
+        view = (QGraphicsView*)(UBApplication::boardController->controlView());
+    }
+    addItem(cache);
+    cache->setVisible(true);
+    cache->setSelected(true);
+    UBApplication::boardController->notifyCache(true);
+}
 
 void UBGraphicsScene::addMask()
 {
diff --git a/src/domain/UBGraphicsScene.h b/src/domain/UBGraphicsScene.h
index 5a5ffe2e..9e622e39 100644
--- a/src/domain/UBGraphicsScene.h
+++ b/src/domain/UBGraphicsScene.h
@@ -46,6 +46,7 @@ class UBGraphicsCurtainItem;
 class UBGraphicsStroke;
 class UBMagnifierParams;
 class UBMagnifier;
+class UBGraphicsCache;
 
 const double PI = 4.0 * atan(1.0);
 
@@ -172,6 +173,7 @@ class UBGraphicsScene: public UBCoreGraphicsScene, public UBItem
         void addMagnifier(UBMagnifierParams params);
 
         void addMask();
+        void addCache();
 
         class SceneViewState
         {
@@ -247,6 +249,7 @@ class UBGraphicsScene: public UBCoreGraphicsScene, public UBItem
         static qreal toolOffsetCompass;
         static qreal toolOffsetCurtain;
         static qreal toolOffsetTriangle;
+        static qreal toolOffsetCache;
 
         QSet<QGraphicsItem*> tools(){ return mTools;}
 
@@ -358,6 +361,7 @@ class UBGraphicsScene: public UBCoreGraphicsScene, public UBItem
 
         //int mMesure1Ms, mMesure2Ms;
 
+        bool mHasCache;
         UBMagnifier *magniferControlViewWidget;
         UBMagnifier *magniferDisplayViewWidget;
 };
diff --git a/src/gui/UBCachePropertiesWidget.cpp b/src/gui/UBCachePropertiesWidget.cpp
new file mode 100644
index 00000000..6b7062f8
--- /dev/null
+++ b/src/gui/UBCachePropertiesWidget.cpp
@@ -0,0 +1,317 @@
+#include <QColor>
+#include <QPainter>
+#include <QPixmap>
+#include <QColorDialog>
+
+#include "UBCachePropertiesWidget.h"
+
+#include "core/UBApplication.h"
+#include "board/UBBoardController.h"
+#include "domain/UBGraphicsScene.h"
+
+static QVector<UBGraphicsCache*> mCaches;
+
+UBCachePropertiesWidget::UBCachePropertiesWidget(QWidget *parent, const char *name):UBDockPaletteWidget(parent)
+  , mpLayout(NULL)
+  , mpCachePropertiesLabel(NULL)
+  , mpColorLabel(NULL)
+  , mpShapeLabel(NULL)
+  , mpSizeLabel(NULL)
+  , mpColor(NULL)
+  , mpSquareButton(NULL)
+  , mpCircleButton(NULL)
+  , mpCloseButton(NULL)
+  , mpSizeSlider(NULL)
+  , mpColorLayout(NULL)
+  , mpShapeLayout(NULL)
+  , mpSizeLayout(NULL)
+  , mpCloseLayout(NULL)
+  , mpProperties(NULL)
+  , mpPropertiesLayout(NULL)
+  , mpCurrentCache(NULL)
+{
+    setObjectName(name);
+    setAttribute(Qt::WA_StyledBackground, true);
+    setStyleSheet(UBApplication::globalStyleSheet());
+
+    mName = "CachePropWidget";
+    mIconToLeft = QPixmap(":images/cache_open.png");
+    mIconToRight = QPixmap(":images/cache_close.png");
+    setContentsMargins(10, 10, 10, 10);
+
+    // Build the UI
+    mpLayout = new QVBoxLayout();
+    setLayout(mpLayout);
+
+    // Title
+    mpCachePropertiesLabel = new QLabel(tr("Cache Properties"), this);
+    mpCachePropertiesLabel->setObjectName("DockPaletteWidgetTitle");
+    mpLayout->addWidget(mpCachePropertiesLabel, 0);
+
+    // Properties Box
+    mpProperties = new QWidget(this);
+    mpProperties->setObjectName("DockPaletteWidgetBox");
+    mpLayout->addWidget(mpProperties, 1);
+    mpPropertiesLayout = new QVBoxLayout();
+    mpProperties->setLayout(mpPropertiesLayout);
+
+
+    // Color
+    mpColorLayout = new QHBoxLayout();
+    mpColorLabel = new QLabel(tr("Color:"), mpProperties);
+    mpColor = new QPushButton(mpProperties);
+    mpColor->setObjectName("DockPaletteWidgetButton");
+    // TODO:    Check in the document if the page has a color and assign it to this cache
+    //          else set the black color by default
+    updateCacheColor(Qt::black);
+    mpColorLayout->addWidget(mpColorLabel, 0);
+    mpColorLayout->addWidget(mpColor, 0);
+    mpColorLayout->addStretch(1);
+    mpPropertiesLayout->addLayout(mpColorLayout, 0);
+
+    // Shape
+    mpShapeLayout = new QHBoxLayout();
+    mpShapeLabel = new QLabel(tr("Shape:"), mpProperties);
+    mpSquareButton = new QPushButton(mpProperties);
+    mpSquareButton->setIcon(QIcon(":images/cache_square.png"));
+    mpSquareButton->setObjectName("DockPaletteWidgetButton");
+    mpSquareButton->setCheckable(true);
+    mpCircleButton = new QPushButton(mpProperties);
+    mpCircleButton->setIcon(QIcon(":images/cache_circle.png"));
+    mpCircleButton->setObjectName("DockPaletteWidgetButton");
+    mpCircleButton->setCheckable(true);
+    mpShapeLayout->addWidget(mpShapeLabel, 0);
+    mpShapeLayout->addWidget(mpSquareButton, 0);
+    mpShapeLayout->addWidget(mpCircleButton, 0);
+    mpShapeLayout->addStretch(1);
+    mpPropertiesLayout->addLayout(mpShapeLayout, 0);
+
+    // TODO:    Check in the document which shape is saved and check the corresponding button
+    mpCircleButton->setChecked(true);
+
+    // Shape Size
+    mpSizeLayout = new QHBoxLayout();
+    mpSizeLabel = new QLabel(tr("Size:"), mpProperties);
+    mpSizeSlider = new QSlider(Qt::Horizontal, mpProperties);
+    mpSizeSlider->setMinimumHeight(20);
+    mpSizeSlider->setMinimum(0);
+    mpSizeSlider->setMaximum(MAX_SHAPE_WIDTH);
+    mpSizeLayout->addWidget(mpSizeLabel, 0);
+    mpSizeLayout->addWidget(mpSizeSlider, 1);
+    mpPropertiesLayout->addLayout(mpSizeLayout, 0);
+
+    // Close
+    mpCloseLayout =  new QHBoxLayout();
+    mpCloseButton = new QPushButton(tr("Close"), mpProperties);
+    mpCloseButton->setObjectName("DockPaletteWidgetButton");
+    mpCloseLayout->addWidget(mpCloseButton, 0);
+    mpCloseLayout->addStretch(1);
+    mpPropertiesLayout->addLayout(mpCloseLayout, 0);
+
+    // Fill the empty space
+    mpPropertiesLayout->addStretch(1);
+
+    // Connect signals / slots
+    connect(mpCloseButton, SIGNAL(clicked()), this, SLOT(onCloseClicked()));
+    connect(mpColor, SIGNAL(clicked()), this, SLOT(onColorClicked()));
+    connect(mpCircleButton, SIGNAL(clicked()), this, SLOT(updateShapeButtons()));
+    connect(mpSquareButton, SIGNAL(clicked()), this, SLOT(updateShapeButtons()));
+    connect(mpSizeSlider, SIGNAL(valueChanged(int)), this, SLOT(onSizeChanged(int)));
+    connect(UBApplication::boardController, SIGNAL(pageChanged()), this, SLOT(updateCurrentCache()));
+}
+
+UBCachePropertiesWidget::~UBCachePropertiesWidget()
+{
+    if(NULL != mpCachePropertiesLabel)
+    {
+        delete mpCachePropertiesLabel;
+        mpCachePropertiesLabel = NULL;
+    }
+    if(NULL != mpColorLabel)
+    {
+        delete mpColorLabel;
+        mpColorLabel = NULL;
+    }
+    if(NULL != mpShapeLabel)
+    {
+        delete mpShapeLabel;
+        mpShapeLabel = NULL;
+    }
+    if(NULL != mpSizeLabel)
+    {
+        delete mpSizeLabel;
+        mpSizeLabel = NULL;
+    }
+    if(NULL != mpColor)
+    {
+        delete mpColor;
+        mpColor = NULL;
+    }
+    if(NULL != mpSquareButton)
+    {
+        delete mpSquareButton;
+        mpSquareButton = NULL;
+    }
+    if(NULL != mpCircleButton)
+    {
+        delete mpCircleButton;
+        mpCircleButton = NULL;
+    }
+    if(NULL != mpCloseButton)
+    {
+        delete mpCloseButton;
+        mpCloseButton = NULL;
+    }
+    if(NULL != mpSizeSlider)
+    {
+        delete mpSizeSlider;
+        mpSizeSlider = NULL;
+    }
+    if(NULL != mpColorLayout)
+    {
+        delete mpColorLayout;
+        mpColorLayout = NULL;
+    }
+    if(NULL != mpShapeLayout)
+    {
+        delete mpShapeLayout;
+        mpShapeLayout = NULL;
+    }
+    if(NULL != mpSizeLayout)
+    {
+        delete mpSizeLayout;
+        mpSizeLayout = NULL;
+    }
+    if(NULL != mpCloseLayout)
+    {
+        delete mpCloseLayout;
+        mpCloseLayout = NULL;
+    }
+    if(NULL != mpPropertiesLayout)
+    {
+        delete mpPropertiesLayout;
+        mpPropertiesLayout = NULL;
+    }
+    if(NULL != mpProperties)
+    {
+        delete mpProperties;
+        mpProperties = NULL;
+    }
+    if(NULL != mpLayout)
+    {
+        delete mpLayout;
+        mpLayout = NULL;
+    }
+}
+
+void UBCachePropertiesWidget::onCloseClicked()
+{
+    // Remove the current cache from the list
+    mCaches.remove(mCaches.indexOf(mpCurrentCache));
+
+    // Remove the cache from the board
+    UBApplication::boardController->activeScene()->removeItem(mpCurrentCache);
+    mpCurrentCache = NULL;
+
+    if(mCaches.empty())
+    {
+        emit cacheListEmpty();
+    }
+}
+
+void UBCachePropertiesWidget::updateCacheColor(QColor color)
+{
+    mActualColor = color;
+
+    //  Update the color on the color button
+    QPixmap pix(32, 32);
+    QPainter p;
+
+    p.begin(&pix);
+
+    p.setBackground(Qt::transparent);
+    p.setBrush(color);      // The current color
+    p.drawRect(0, 0, 32, 32);
+
+    p.end();
+
+    mpColor->setIcon(QIcon(pix));
+
+    if(NULL != mpCurrentCache)
+    {
+        mpCurrentCache->setMaskColor(mActualColor);
+    }
+}
+
+void UBCachePropertiesWidget::onColorClicked()
+{
+    // Show the color picker
+    QColor newColor = QColorDialog::getColor(mActualColor,this);
+    updateCacheColor(newColor);
+}
+
+void UBCachePropertiesWidget::updateShapeButtons()
+{
+    if(mpCircleButton->hasFocus())
+    {
+        mActualShape = eMaskShape_Circle;
+        mpSquareButton->setChecked(false);
+    }
+    else if(mpSquareButton->hasFocus())
+    {
+        mActualShape = eMaskShap_Rectangle;
+        mpCircleButton->setChecked(false);
+    }
+
+    if(NULL != mpCurrentCache)
+    {
+        mpCurrentCache->setMaskShape(mActualShape);
+    }
+}
+
+void UBCachePropertiesWidget::updateCurrentCache()
+{
+    // Get the current page cache
+    QList<QGraphicsItem*> items = UBApplication::boardController->activeScene()->items();
+    foreach(QGraphicsItem* it, items)
+    {
+        if("Cache" == it->data(Qt::UserRole).toString())
+        {
+            setEnabled(true);
+            mpCurrentCache = dynamic_cast<UBGraphicsCache*>(it);
+            if((NULL != mpCurrentCache) && (!mCaches.contains(mpCurrentCache)))
+            {
+                mCaches.append(mpCurrentCache);
+            }
+
+            // Update the values of the cache properties
+            mpSizeSlider->setValue(mpCurrentCache->shapeWidth());
+            updateCacheColor(mpCurrentCache->maskColor());
+            switch(mpCurrentCache->maskshape())
+            {
+                case eMaskShape_Circle:
+                    mpCircleButton->setChecked(true);
+                    mpSquareButton->setChecked(false);
+                    break;
+                case eMaskShap_Rectangle:
+                    mpCircleButton->setChecked(false);
+                    mpSquareButton->setChecked(true);
+                    break;
+            }
+
+            return;
+        }
+    }
+
+    // If we fall here, that means that this page has no cache
+    mpCurrentCache = NULL;
+    setDisabled(true);
+}
+
+void UBCachePropertiesWidget::onSizeChanged(int newSize)
+{
+    if(NULL != mpCurrentCache)
+    {
+        mpCurrentCache->setShapeWidth(newSize);
+    }
+}
diff --git a/src/gui/UBCachePropertiesWidget.h b/src/gui/UBCachePropertiesWidget.h
new file mode 100644
index 00000000..e347b033
--- /dev/null
+++ b/src/gui/UBCachePropertiesWidget.h
@@ -0,0 +1,60 @@
+#ifndef UBCACHEPROPERTIESWIDGET_H
+#define UBCACHEPROPERTIESWIDGET_H
+
+#include <QWidget>
+#include <QVBoxLayout>
+#include <QLabel>
+#include <QHBoxLayout>
+#include <QPushButton>
+#include <QSlider>
+#include <QVector>
+
+#include "UBDockPaletteWidget.h"
+#include "tools/UBGraphicsCache.h"
+
+#define MAX_SHAPE_WIDTH     200
+
+class UBCachePropertiesWidget : public UBDockPaletteWidget
+{
+    Q_OBJECT
+public:
+    UBCachePropertiesWidget(QWidget* parent=0, const char* name="UBCachePropertiesWidget");
+    ~UBCachePropertiesWidget();
+
+public slots:
+    void updateCurrentCache();
+
+signals:
+    void cacheListEmpty();
+
+private slots:
+    void onCloseClicked();
+    void updateCacheColor(QColor color);
+    void onColorClicked();
+    void updateShapeButtons();
+    void onSizeChanged(int newSize);
+
+private:
+    QVBoxLayout* mpLayout;
+    QLabel* mpCachePropertiesLabel;
+    QLabel* mpColorLabel;
+    QLabel* mpShapeLabel;
+    QLabel* mpSizeLabel;
+    QPushButton* mpColor;
+    QPushButton* mpSquareButton;
+    QPushButton* mpCircleButton;
+    QPushButton* mpCloseButton;
+    QSlider* mpSizeSlider;
+    QHBoxLayout* mpColorLayout;
+    QHBoxLayout* mpShapeLayout;
+    QHBoxLayout* mpSizeLayout;
+    QHBoxLayout* mpCloseLayout;
+    QWidget* mpProperties;
+    QVBoxLayout* mpPropertiesLayout;
+    QColor mActualColor;
+    eMaskShape mActualShape;
+    UBGraphicsCache* mpCurrentCache;
+
+};
+
+#endif // UBCACHEPROPERTIESWIDGET_H
diff --git a/src/gui/UBDockPalette.cpp b/src/gui/UBDockPalette.cpp
index b342bc6a..1eaece2d 100644
--- a/src/gui/UBDockPalette.cpp
+++ b/src/gui/UBDockPalette.cpp
@@ -515,9 +515,12 @@ int UBDockPalette::customMargin()
 
 void UBDockPalette::addTabWidget(UBDockPaletteWidget *widget)
 {
-    mTabWidgets.append(widget);
-    mpStackWidget->addWidget(widget);
-    update();
+    if(!mTabWidgets.contains(widget))
+    {
+        mTabWidgets.append(widget);
+        mpStackWidget->addWidget(widget);
+        update();
+    }
 }
 
 void UBDockPalette::removeTab(const QString &widgetName)
diff --git a/src/gui/UBDockPalette.h b/src/gui/UBDockPalette.h
index 34c3ee2b..438eab7b 100644
--- a/src/gui/UBDockPalette.h
+++ b/src/gui/UBDockPalette.h
@@ -61,6 +61,7 @@ public:
     eUBDockOrientation orientation();
     void setOrientation(eUBDockOrientation orientation);
     void setTabsOrientation(eUBDockTabOrientation orientation);
+    void showTabWidget(int tabIndex);
 
     virtual void mouseMoveEvent(QMouseEvent *event);
     virtual void mousePressEvent(QMouseEvent *event);
@@ -127,7 +128,7 @@ private slots:
 private:
     void tabClicked(int tabIndex);
     int tabSpacing();
-    void showTabWidget(int tabIndex);
+
     void toggleCollapseExpand();
 };
 
diff --git a/src/gui/UBPageNavigationWidget.cpp b/src/gui/UBPageNavigationWidget.cpp
index 8c4c20c6..6f598fd0 100644
--- a/src/gui/UBPageNavigationWidget.cpp
+++ b/src/gui/UBPageNavigationWidget.cpp
@@ -127,6 +127,9 @@ void UBPageNavigationWidget::changeCurrentPage()
     {
         // Display the selected page
         UBApplication::boardController->setActiveDocumentScene(mNavigator->currentDoc(), iPage);
+
+        // emit here the signal to indicate that page change
+        UBApplication::boardController->notifyPageChanged();
     }
 }
 
diff --git a/src/gui/UBRightPalette.cpp b/src/gui/UBRightPalette.cpp
index c7f8a765..ee673ac8 100644
--- a/src/gui/UBRightPalette.cpp
+++ b/src/gui/UBRightPalette.cpp
@@ -12,8 +12,12 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+#include "core/UBApplication.h"
+#include "board/UBBoardController.h"
+
 #include "UBRightPalette.h"
 
+
 UBRightPalette::UBRightPalette(QWidget *parent, const char *name):UBDockPalette(parent)
   , mpLibWidget(NULL)
 {
@@ -25,8 +29,16 @@ UBRightPalette::UBRightPalette(QWidget *parent, const char *name):UBDockPalette(
     resize(UBSettings::settings()->libPaletteWidth->get().toInt(), parentWidget()->height());
     mpLayout->setContentsMargins(2*border() + customMargin(), customMargin(), customMargin(), customMargin());
 
+    // Add the tab widgets
     mpLibWidget = new UBLibWidget(this);
     addTabWidget(mpLibWidget);
+
+    mpCachePropWidget = new UBCachePropertiesWidget(this);
+    mpCachePropWidget->hide();
+
+    // Connect signals/slots
+    connect(UBApplication::boardController, SIGNAL(cacheEnabled()), this, SLOT(onCacheEnabled()));
+    connect(mpCachePropWidget, SIGNAL(cacheListEmpty()), this, SLOT(onCacheDisabled()));
 }
 
 UBRightPalette::~UBRightPalette()
@@ -36,6 +48,11 @@ UBRightPalette::~UBRightPalette()
         delete mpLibWidget;
         mpLibWidget = NULL;
     }
+    if(NULL != mpCachePropWidget)
+    {
+        delete mpCachePropWidget;
+        mpCachePropWidget = NULL;
+    }
 }
 
 UBLibWidget* UBRightPalette::libWidget()
@@ -62,12 +79,39 @@ void UBRightPalette::resizeEvent(QResizeEvent *event)
     emit resized();
 }
 
-/**
- * \brief Update the maximum width
- */
 void UBRightPalette::updateMaxWidth()
 {
     setMaximumWidth((int)((parentWidget()->width() * 2)/3));
     setMaximumHeight(parentWidget()->height());
     setMinimumHeight(parentWidget()->height());
 }
+
+void UBRightPalette::onCacheEnabled()
+{
+    if(mpCachePropWidget->isHidden())
+    {
+        mpCachePropWidget->setVisible(true);
+        // Add the cache tab
+        addTabWidget(mpCachePropWidget);
+    }
+
+    // Set the cache of the current page as the active one for the properties widget
+    mpCachePropWidget->updateCurrentCache();
+
+    // Show the cache properties widget
+    for(int i = 0; i < mTabWidgets.size(); i++)
+    {
+        if((NULL != mTabWidgets.at(i)) && ("CachePropWidget" == mTabWidgets.at(i)->name()))
+        {
+            showTabWidget(i);
+            break;
+        }
+    }
+
+}
+
+void UBRightPalette::onCacheDisabled()
+{
+    removeTab(mpCachePropWidget->name());
+    mpCachePropWidget->hide();
+}
diff --git a/src/gui/UBRightPalette.h b/src/gui/UBRightPalette.h
index 7d99cd4c..6919acf9 100644
--- a/src/gui/UBRightPalette.h
+++ b/src/gui/UBRightPalette.h
@@ -17,6 +17,7 @@
 
 #include "UBDockPalette.h"
 #include "UBLibWidget.h"
+#include "UBCachePropertiesWidget.h"
 
 class UBRightPalette : public UBDockPalette
 {
@@ -35,8 +36,13 @@ protected:
     void mouseMoveEvent(QMouseEvent *event);
     void resizeEvent(QResizeEvent *event);
 
+private slots:
+    void onCacheEnabled();
+    void onCacheDisabled();
+
 private:
     UBLibWidget* mpLibWidget;
+    UBCachePropertiesWidget* mpCachePropWidget;
 };
 
 #endif // UBRIGHTPALETTE_H
diff --git a/src/gui/gui.pri b/src/gui/gui.pri
index ba025bdf..3dae376c 100644
--- a/src/gui/gui.pri
+++ b/src/gui/gui.pri
@@ -41,7 +41,8 @@ HEADERS      += src/gui/UBThumbnailView.h \
     src/gui/UBRightPalette.h \
     src/gui/UBPageNavigationWidget.h \
     src/gui/UBLibWidget.h \
-    src/gui/UBMagnifer.h
+    src/gui/UBMagnifer.h \
+    src/gui/UBCachePropertiesWidget.h
                 
 SOURCES      += src/gui/UBThumbnailView.cpp \
                 src/gui/UBFloatingPalette.cpp \
@@ -85,7 +86,8 @@ SOURCES      += src/gui/UBThumbnailView.cpp \
     src/gui/UBRightPalette.cpp \
     src/gui/UBPageNavigationWidget.cpp \
     src/gui/UBLibWidget.cpp \
-    src/gui/UBMagnifer.cpp
+    src/gui/UBMagnifer.cpp \
+    src/gui/UBCachePropertiesWidget.cpp
 
 win32 {
 
diff --git a/src/tools/UBGraphicsCache.cpp b/src/tools/UBGraphicsCache.cpp
index b226132c..9895b3c4 100644
--- a/src/tools/UBGraphicsCache.cpp
+++ b/src/tools/UBGraphicsCache.cpp
@@ -33,6 +33,7 @@ UBGraphicsCache::UBGraphicsCache():QGraphicsRectItem()
     QRect boardRect = UBApplication::boardController->displayView()->rect();
     setRect(-15*boardRect.width(), -15*boardRect.height(), 30*boardRect.width(), 30*boardRect.height());
     setZValue(CACHE_ZVALUE);
+    setData(Qt::UserRole, QVariant("Cache"));
 }
 
 UBGraphicsCache::~UBGraphicsCache()
@@ -62,6 +63,7 @@ QColor UBGraphicsCache::maskColor()
 void UBGraphicsCache::setMaskColor(QColor color)
 {
     mMaskColor = color;
+    update();
 }
 
 eMaskShape UBGraphicsCache::maskshape()
@@ -72,6 +74,7 @@ eMaskShape UBGraphicsCache::maskshape()
 void UBGraphicsCache::setMaskShape(eMaskShape shape)
 {
     mMaskShape = shape;
+    update();
 }
 
 void UBGraphicsCache::init()
@@ -139,4 +142,5 @@ int UBGraphicsCache::shapeWidth()
 void UBGraphicsCache::setShapeWidth(int width)
 {
     mShapeWidth = width;
+    update();
 }
diff --git a/src/tools/UBToolsManager.cpp b/src/tools/UBToolsManager.cpp
index 5fb516e8..e536bc2c 100644
--- a/src/tools/UBToolsManager.cpp
+++ b/src/tools/UBToolsManager.cpp
@@ -65,6 +65,17 @@ UBToolsManager::UBToolsManager(QObject *parent)
     mToolsIcon.insert(magnifier.id,":/images/toolPalette/magnifierTool.png");
     mDescriptors << magnifier;
 
+//  --------------------------------------------------------------------------------
+//  DO NOT ERASE THIS COMMENTED CODE! IT WILL BE UNCOMMENTED DURING THE NEXT DAYS!!!
+//  --------------------------------------------------------------------------------
+    cache.id = "uniboardTool://uniboard.mnemis.com/cache";
+    cache.icon = QPixmap(":/images/toolPalette/cacheTool.png");
+    cache.label = tr("Cache");
+    cache.version = "1.0";
+    mToolsIcon.insert(cache.id, ":/images/toolPalette/cacheTool.png");
+    mDescriptors << cache;
+//  --------------------------------------------------------------------------------
+
 }
 
 UBToolsManager::~UBToolsManager()
diff --git a/src/tools/UBToolsManager.h b/src/tools/UBToolsManager.h
index df87db8a..3ad3ccf1 100644
--- a/src/tools/UBToolsManager.h
+++ b/src/tools/UBToolsManager.h
@@ -79,6 +79,7 @@ class UBToolsManager : public QObject
         UBToolDescriptor mask;
         UBToolDescriptor triangle;
         UBToolDescriptor magnifier;
+        UBToolDescriptor cache;
 
         QString iconFromToolId(QString id) { return mToolsIcon.value(id);}