The results returned by HTMLBodyElement.getBackground under firefox and IE are not consistent.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1. open the following url with java console open:
http://sqeweb/jsn/users/fred/deployment_ws/fred/deployment_6_UR_int_ws/deployment/src/plugin/FunctionalTest/FunctionalTest/html/HTMLBodyElementTest.html

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
The values returned by HTMLBodyElement.getBackground under IE and firefox should be equal.
ACTUAL -
Under firefox:
The value is "http://sqeweb/jsn/users/fred/deployment_ws/fred/deployment_6_UR_int_ws/deployment/src/plugin/FunctionalTest/FunctionalTest/html/sun.gif"
Under IE:
The value is "sun.gif"

REPRODUCIBILITY :
This bug can be reproduced always.

The applet source code is:
http://sqeweb/jsn/users/fred/deployment_ws/fred/deployment_6_UR_int_ws/deployment/src/plugin/FunctionalTest/FunctionalTest/src/HTMLBodyElementTest.java