rem: return cacheSize.value * 1000; 
add: var intValue = parseInt(cacheSize.value, 10) + ''; return intValue != "NaN" ? intValue * 1000 : 0; 
context:   writeCacheSizePref: function ()  {    var cacheSize = document.getElementById("cacheSize");    return cacheSize.value * 1000;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/5129662272e03afe67b9d023e93163ad6a6932c3/privacy.js/buggy/browser/components/preferences/privacy.js