radioButton: Try to use htmlId for heading

Test started at Wed Apr 25 13:10:27 CEST 2012, lasting 56 ms.
Source: /raid/volume1/opt/webtest/webtestCC/CanooFunctionalTesting/selftests/tests/radioButton.xml:15:
Base URL (used by invoke steps with a relative URL): http://localhost:19090/selftest/
Simulated browser: IE6

Expand/Collapse nested steps: 

#	Result	Name	Parameter	Duration
1		invoke getMainPage for checkbox test Resulting page	-> complete url http://localhost:19090/selftest/formTest?mode=checkboxTest url formTest?mode=checkboxTest	45
2		not	# Result Name Parameter Duration   1 setRadioButton Use heading id htmlId headingId 8	11