rem: fbs.setBreakpoint(url, lineNo, null); 
add: fbs.setBreakpoint(sourceFile, lineNo, null); 
context:     setBreakpoint: function(url, lineNo)    {        fbs.setBreakpoint(url, lineNo, null);    },
meta: 7450	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7450/76449ef4d8385610e64112c53410246cfda12c62/debugger.js/clean/extension/content/firebug/debugger.js