--- a/flys-client/src/main/java/de/intevation/flys/client/server/ChartServiceHelper.java	Tue Oct 25 11:07:14 2011 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/server/ChartServiceHelper.java	Tue Oct 25 12:31:15 2011 +0000
@@ -5,6 +5,8 @@
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 
+import org.apache.log4j.Logger;
+
 import de.intevation.artifacts.common.ArtifactNamespaceContext;
 import de.intevation.artifacts.common.utils.XMLUtils;
 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
@@ -15,6 +17,10 @@
  */
 public class ChartServiceHelper {
 
+    private static final Logger logger =
+        Logger.getLogger(ChartServiceHelper.class);
+
+
     /** The default chart width if no value is specified in the request.*/
     public static final int DEFAULT_CHART_WIDTH  = 600;
 
@@ -35,7 +41,7 @@
      * @return a document to adjust chart settings.
      */
     protected static Document getChartAttributes(Map<String, String> req) {
-        System.out.println("ChartServiceHelper.getChartAttributes");
+        logger.debug("ChartServiceHelper.getChartAttributes");
 
         Document doc = XMLUtils.newDocument();
 
@@ -71,7 +77,7 @@
         Element             attributes,
         ElementCreator      ec)
     {
-        System.out.println("ChartServiceHelper.appendChartSize");
+        logger.debug("ChartServiceHelper.appendChartSize");
 
         Element size = ec.create("size");
 
@@ -104,7 +110,7 @@
         Element             attributes,
         ElementCreator      ec)
     {
-        System.out.println("ChartServiceHelper.appendXRange");
+        logger.debug("ChartServiceHelper.appendXRange");
 
         Element range = ec.create("xrange");
 
@@ -134,7 +140,7 @@
         Element             attributes,
         ElementCreator      ec)
     {
-        System.out.println("ChartServiceHelper.appendYRange");
+        logger.debug("ChartServiceHelper.appendYRange");
 
         Element range = ec.create("yrange");
 
@@ -165,7 +171,7 @@
         ElementCreator      ec
 
     ) {
-        System.out.println("ChartServiceHelper.appendFormat");
+        logger.debug("ChartServiceHelper.appendFormat");
 
         String formatStr = req.get("format");
         if (formatStr == null || formatStr.length() == 0) {