diff --git a/src/graphicsview.cpp b/src/graphicsview.cpp
index 38fc2d4..282a77c 100644
--- a/src/graphicsview.cpp
+++ b/src/graphicsview.cpp
@@ -24,11 +24,11 @@
 
 GraphicsView::GraphicsView(): QGraphicsView() {
 	//setMinimumSize(900,700);
-	//setDragMode(QGraphicsView::RubberBandDrag);
+	//setDragMode(QGraphicsView::ScrollHandDrag);
 
 
 
-	//scale(2.5,2.5);
+	//scale(2,2);
 	
 
 
diff --git a/src/homobfielditem.cpp b/src/homobfielditem.cpp
index 7ea652f..6099b56 100644
--- a/src/homobfielditem.cpp
+++ b/src/homobfielditem.cpp
@@ -32,8 +32,8 @@ HomoBFieldItem::HomoBFieldItem(QRectF sizeRect): FieldItem() {
 	setFlag(ItemIsSelectable);
 	setFlag(ItemIsFocusable);
 	setOuterPenWidth (2);
-	dockWidget = new HomoBFieldWidget(0,0,this);
 	setIsDirectionIntoPlane(true);
+	dockWidget = new HomoBFieldWidget(0,0,this);
 	setFluxDensity(2e-5);
 }
 
@@ -55,7 +55,7 @@ QRectF HomoBFieldItem::getRectF() const
 
 void HomoBFieldItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) {
 	//Qt::GlobalColor linecolor = Qt::red;
-	QColor linecolor(92,105,118);
+	QColor linecolor(0,86,30);
 	painter->setPen(linecolor);
 	if (isSelected()) painter->setBrush(Qt::Dense6Pattern); //selection deutlich machen
 	painter->drawRect(sizeRect);
diff --git a/src/homobfieldwidget.cpp b/src/homobfieldwidget.cpp
index 9aca233..0b16756 100644
--- a/src/homobfieldwidget.cpp
+++ b/src/homobfieldwidget.cpp
@@ -110,6 +110,8 @@ void HomoBFieldWidget::createWidget() {
 
 	QRadioButton* intoPlaneButton = new QRadioButton(tr("in die Ebene hinein"));
 	QRadioButton* outOfPlaneButton = new QRadioButton(tr("aus der Ebene heraus"));
+	intoPlaneButton->setChecked(homoBField->getIsDirectionIntoPlane());
+	outOfPlaneButton->setChecked(!homoBField->getIsDirectionIntoPlane());
 	connect(homoBField ,SIGNAL(directionChanged(bool)),intoPlaneButton, SLOT(setChecked(bool)) );
 	connect(intoPlaneButton, SIGNAL(toggled(bool)),homoBField ,SLOT(setIsDirectionIntoPlane(bool)) );
 
diff --git a/src/lsim.cpp b/src/lsim.cpp
index 4ff103d..13efcf9 100644
--- a/src/lsim.cpp
+++ b/src/lsim.cpp
@@ -96,22 +96,33 @@ void lsim::createActions() {
 	acts.exitAct->setStatusTip (tr ("Die Anwendung beenden"));
 	connect (acts.exitAct, SIGNAL (triggered()), qApp, SLOT (quit()));
 
-	acts.moveItemDown = new QAction (tr ("runter"), this);
+	//up down actions
+	acts.moveItemDown = new QAction (QChar(0x2193), this);
 	acts.moveItemDown->setStatusTip (tr ("runter"));
+	acts.moveItemDown->setEnabled(false);
 	connect (acts.moveItemDown, SIGNAL (triggered()), simulscene, SLOT (moveSelectedFieldItemDown()));
+	connect (acts.moveItemDown, SIGNAL (triggered()), this, SLOT (handleUpDownActionChanges()) );
 
-	acts.moveItemUp = new QAction (tr ("rauf"), this);
+	acts.moveItemUp = new QAction (QChar(0x2191), this);
 	acts.moveItemUp->setStatusTip (tr ("rauf"));
+	acts.moveItemUp->setEnabled(false);
 	connect (acts.moveItemUp, SIGNAL (triggered()), simulscene, SLOT (moveSelectedFieldItemUp()));
+	connect (acts.moveItemUp, SIGNAL (triggered()), this, SLOT (handleUpDownActionChanges()) );
 
-	acts.moveItemOnTop = new QAction (tr ("ganz rauf"), this);
+	acts.moveItemOnTop = new QAction (QChar(0x21C8), this);
 	acts.moveItemOnTop->setStatusTip (tr ("ganz rauf"));
+	acts.moveItemOnTop->setEnabled(false);
 	connect (acts.moveItemOnTop, SIGNAL (triggered()), simulscene, SLOT (moveSelectedFieldItemOnTop()));
+	connect (acts.moveItemOnTop, SIGNAL (triggered()), this, SLOT (handleUpDownActionChanges()) );
 
-	acts.moveItemOnBottom = new QAction (tr ("ganz runter"), this);
+	acts.moveItemOnBottom = new QAction (QChar(0x21CA), this);
 	acts.moveItemOnBottom->setStatusTip (tr ("ganz runter"));
+	acts.moveItemOnBottom->setEnabled(false);
 	//acts.moveItemOnBottom->setToolTip( tr ("Nach ganz unten absinken lassen"));
 	connect (acts.moveItemOnBottom, SIGNAL (triggered()), simulscene, SLOT (moveSelectedFieldItemOnBottom()));
+	connect (acts.moveItemOnBottom, SIGNAL (triggered()), this, SLOT (handleUpDownActionChanges()) );
+
+	connect (simulscene, SIGNAL (selectionChanged ()), this, SLOT (handleUpDownActionChanges()) );
 
 	//Edit, insert, Modechange
 
@@ -369,4 +380,24 @@ void lsim::startTimer() {
 }
 void lsim::handleDockLocationChange() {
 	
+}
+
+void lsim::handleUpDownActionChanges() {
+	if (simulscene->selectedItems().isEmpty() || 
+	    simulscene->selectedItems().first()->zValue() == simulscene->getHighestZIndexFieldItems() ) {
+		acts.moveItemUp->setEnabled(false);
+		acts.moveItemOnTop->setEnabled(false);
+	} else {
+		acts.moveItemUp->setEnabled(true);
+		acts.moveItemOnTop->setEnabled(true);
+	}
+
+	if (simulscene->selectedItems().isEmpty() || 
+	    simulscene->selectedItems().first()->zValue() == simulscene->getLowestZIndexFieldItems() ) {
+		acts.moveItemDown->setEnabled(false);
+		acts.moveItemOnBottom->setEnabled(false);
+	} else {
+		acts.moveItemDown->setEnabled(true);
+		acts.moveItemOnBottom->setEnabled(true);
+	}	
 }
\ No newline at end of file
diff --git a/src/lsim.h b/src/lsim.h
index 082de72..de30d3a 100644
--- a/src/lsim.h
+++ b/src/lsim.h
@@ -57,6 +57,7 @@ class lsim: public QMainWindow {
 		void startCalculation();
 		void startTimer();
 		void handleDockLocationChange();
+		void handleUpDownActionChanges();
 
 	private:
 		void createActions();
diff --git a/src/simulscene.cpp b/src/simulscene.cpp
index d077b2b..455c20a 100644
--- a/src/simulscene.cpp
+++ b/src/simulscene.cpp
@@ -520,6 +520,23 @@ qreal SimulScene::getHighestZIndexFieldItems() {
 	return highestZValue;
 }
 
+qreal SimulScene::getLowestZIndexFieldItems() {
+	bool lowestZValueSet = false;
+	qreal lowestZValue = FieldDefaultZValue; //default value
+	for (int i = 0; i < items().count() ; ++i ) {
+		if (FieldItem::isFieldItem(items().at(i))) {
+			if (!lowestZValueSet) {
+				lowestZValue = items().at(i)->zValue();
+				lowestZValueSet = true;
+			}
+			else if (lowestZValue > items().at(i)->zValue()) {
+				lowestZValue = items().at(i)->zValue();
+			}
+		}
+	}
+	return lowestZValue;
+}
+
 void SimulScene::deleteSelectedFieldItems() {
 	QList<QGraphicsItem *> currSelectedItems = selectedItems();
 	for (int i = 0; i < currSelectedItems.count() ; ++i ) {
diff --git a/src/simulscene.h b/src/simulscene.h
index 4242a57..cf8061e 100644
--- a/src/simulscene.h
+++ b/src/simulscene.h
@@ -50,6 +50,7 @@ class SimulScene : public QGraphicsScene {
 		SimulScene ( QObject* parent = 0);
 		qreal getHighestZIndexVisible(); //hoechsten z-index der sichtbaren items 
 		qreal getHighestZIndexFieldItems(); //hoechsten z-index der Felder ausgeben
+		qreal getLowestZIndexFieldItems(); 
 
 		~SimulScene();
    		double getTimePerStep();