Index: trunk/src/org/openstreetmap/josm/gui/layer/GpxLayer.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/layer/GpxLayer.java	(revision 1637)
+++ trunk/src/org/openstreetmap/josm/gui/layer/GpxLayer.java	(revision 1638)
@@ -19,14 +19,9 @@
 import java.text.DateFormat;
 import java.text.DecimalFormat;
-import java.io.InputStreamReader;
-import java.net.URL;
-import java.net.URLConnection;
-import java.net.UnknownHostException;
+import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
-import java.util.Iterator;
 import java.util.Date;
 import java.util.LinkedList;
@@ -68,4 +63,5 @@
 import org.openstreetmap.josm.gui.layer.markerlayer.AudioMarker;
 import org.openstreetmap.josm.gui.layer.markerlayer.MarkerLayer;
+import org.openstreetmap.josm.tools.AudioUtil;
 import org.openstreetmap.josm.tools.DateUtils;
 import org.openstreetmap.josm.tools.DontShowAgainInfo;
@@ -73,5 +69,4 @@
 import org.openstreetmap.josm.tools.ImageProvider;
 import org.openstreetmap.josm.tools.UrlLabel;
-import org.openstreetmap.josm.tools.AudioUtil;
 
 public class GpxLayer extends Layer {
@@ -306,8 +301,8 @@
 
         if (data.attr.containsKey("name"))
-            info.append(tr("Name: {0}", data.attr.get(data.META_NAME))).append("<br>");
+            info.append(tr("Name: {0}", data.attr.get(GpxData.META_NAME))).append("<br>");
 
         if (data.attr.containsKey("desc"))
-            info.append(tr("Description: {0}", data.attr.get(data.META_DESC))).append("<br>");
+            info.append(tr("Description: {0}", data.attr.get(GpxData.META_DESC))).append("<br>");
 
         if(data.tracks.size() > 0){
@@ -469,4 +464,7 @@
                                     if(trkPnt.attr.get("hdop") != null) {
                                         float hdop = ((Float)trkPnt.attr.get("hdop")).floatValue();
+                                        if (hdop < 0) {
+                                            hdop = 0;
+                                        }
                                         int hdoplvl = Math.round(hdop * 25);
                                         // High hdop is bad, but high values in colors are green.