diff --git a/src/org/hwo/ui/JDiagram.java b/src/org/hwo/ui/JDiagram.java
index 195e0d0..bfbfb5a 100644
--- a/src/org/hwo/ui/JDiagram.java
+++ b/src/org/hwo/ui/JDiagram.java
@@ -7,6 +7,7 @@ import java.awt.Dimension;
 import java.awt.Font;
 import java.awt.Graphics;
 import java.awt.Graphics2D;
+import java.util.List;
 import java.awt.MouseInfo;
 import java.awt.Point;
 import java.awt.Toolkit;
@@ -28,6 +29,7 @@ import javax.swing.event.ChangeEvent;
 import javax.swing.event.ChangeListener;
 
 import org.hwo.ui.diagram.CirclePlotPainter;
+import org.hwo.ui.diagram.ColoredBackground;
 import org.hwo.ui.diagram.DiagramListener;
 import org.hwo.ui.diagram.DiagramViewEvent;
 import org.hwo.ui.diagram.LinePlotPainter;
@@ -117,6 +119,7 @@ public class JDiagram extends JComponent implements PlotProviderListener, Bounde
 	private double 		abzissSpacing;
 	private boolean		pointsEnabled;
 	
+	private LinkedList<ColoredBackground> coloredBackgrounds = new LinkedList<>();
 			
 	public JDiagram(){
 		setMinimumSize(new Dimension(80, 80));
@@ -479,12 +482,22 @@ public class JDiagram extends JComponent implements PlotProviderListener, Bounde
 			if (autoScale)
 				this.autoscale();
 			
+			for (ColoredBackground bg: coloredBackgrounds){
+				Point2D pmin = mapDiagramToMouse(new Point2D.Double(0, bg.getMin()));
+				Point2D pmax = mapDiagramToMouse(new Point2D.Double(0, bg.getMax()));
+				
+				g.setColor(bg.getColor());
+				g.fillRect(0, (int)pmax.getY(), getWidth(), (int)(pmax.getY() - pmin.getX()));			
+			}
+
 			paintOrdinates	((Graphics2D) g);
 			paintAbszisse	((Graphics2D) g);
 			paintGraphs		((Graphics2D) g);
 		}
-		if(mousePos != null)
-			paintMouseCrosshair((Graphics2D) g);
+		
+		if(mousePos != null) {
+			paintMouseCrosshair((Graphics2D) g);			
+		}
 	}
 	
 	public double[] getordinateLabelHints(int ordinate){
@@ -926,4 +939,7 @@ public class JDiagram extends JComponent implements PlotProviderListener, Bounde
 		this.changeListeners.remove(x);
 	}
 	
+	public List<ColoredBackground> getColoredBackgrounds() {
+		return coloredBackgrounds;
+	}
 }