rem: allowWindowFlipChanged = !allowWindowFlipChanged; 
add: data.scriptData["allowWindowFlipChanged"].value = !data.scriptData["allowWindowFlipChanged"].value; 
context: function doWindowFlipChange(){  allowWindowFlipChanged = !allowWindowFlipChanged;}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/cddfaa7efc47d6cbe834b621161ddc6e9efe4a1a/pref-scripts.js/buggy/xpfe/components/prefwindow/resources/content/pref-scripts.js