rem: litmus.currentTestCaseIndex--; litmus.selectCurrentTestCase(); 
add: $("testlist").selectedIndex--;  
context:     prevButton : function() {        litmus.currentTestCaseIndex--;        litmus.selectCurrentTestCase();    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/8747e3a92e738ba6048c050758b91763ac97efe7/litmus.js/clean/testing/extensions/community/chrome/content/litmus.js