Index: trunk/quest-ui-core/src/main/java/de/ugoe/cs/quest/log4j/Log4JLogger.java
===================================================================
--- trunk/quest-ui-core/src/main/java/de/ugoe/cs/quest/log4j/Log4JLogger.java	(revision 584)
+++ trunk/quest-ui-core/src/main/java/de/ugoe/cs/quest/log4j/Log4JLogger.java	(revision 633)
@@ -1,3 +1,5 @@
 package de.ugoe.cs.quest.log4j;
+
+import java.util.logging.Level;
 
 import org.apache.log4j.Logger;
@@ -75,6 +77,6 @@
 	 */
 	@Override
-	public void traceMsg(String traceMessage) {
-		logger.trace(traceMessage);
+	public void traceMsg(String traceMessage, Level level) {
+	    logger.log(convertToLog4JLevel(level), traceMessage);
 	}
 
@@ -90,3 +92,28 @@
 		logger.error(errMessage);
 	}
+	
+	/**
+	 * <p>
+	 * Converts the log level described by {@link Level} into a {@link org.apache.log4j.Level}.
+	 * </p>
+	 *
+	 * @param level java.util.logger.Level severity
+	 * @return org.apache.log4j.Level severity
+	 */
+	private org.apache.log4j.Level convertToLog4JLevel(Level level) {
+	    if(level==Level.OFF) {
+	        return org.apache.log4j.Level.OFF;
+	    }
+	    if(level==Level.SEVERE) {
+	        return org.apache.log4j.Level.FATAL;
+	    }
+	    if(level==Level.WARNING) {
+	        return org.apache.log4j.Level.WARN;
+	    }
+	    if(level==Level.INFO || level==Level.CONFIG) {
+	        return org.apache.log4j.Level.INFO;
+	    }
+	    // remaining levels: FINE, FINER, FINEST, ALL
+	    return org.apache.log4j.Level.ALL;
+	}
 }