rem: addStyleClass(row, "breakpoint"); removeStyleClass(row, "disabled"); 
add: row.addStyleClass("breakpoint"); row.removeStyleClass("disabled"); 
context: function createBreakpoint(row, file, lineNum){    addStyleClass(row, "breakpoint");    removeStyleClass(row, "disabled");    file.breakpoints[lineNum] = enabledBreakpoint;    file.disabledBreakpoints[lineNum] = null;}
meta: 1725	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1725/1315e393a9d43ef9e7b5ae4ca10037e9300332a7/debugger.js/clean/WebKitTools/Drosera/debugger.js