Index: javax/swing/JLayeredPane.java
===================================================================
RCS file: /cvsroot/classpath/classpath/javax/swing/JLayeredPane.java,v
retrieving revision 1.21
diff -u -r1.21 JLayeredPane.java
--- javax/swing/JLayeredPane.java	30 May 2005 12:16:17 -0000	1.21
+++ javax/swing/JLayeredPane.java	1 Jul 2005 10:31:13 -0000
@@ -124,9 +124,18 @@
    */
   public int getLayer(Component c)
   {
-    if (! componentToLayer.containsKey (c))
-	    throw new IllegalArgumentException ();
-    return ((Integer) componentToLayer.get(c)).intValue();
+    Component myComp = c;
+    while(! componentToLayer.containsKey(myComp))
+      {
+	myComp = myComp.getParent();
+	if (myComp == null)
+	  break;
+      }
+    if (myComp == null)
+      throw new IllegalArgumentException
+	("component is not in this JLayeredPane");
+    Integer layerObj = (Integer) componentToLayer.get(myComp);
+    return layerObj.intValue();
   }
 
   /**