rem: return format; 
add: return format; 
context:   _formatKBytes: function(currentKB, totalKB) {    var progressHasMB = parseInt(currentKB / 1024) > 0;    var totalHasMB = parseInt(totalKB / 1024) > 0;        var format = "";    if (!progressHasMB && !totalHasMB) {      if (!totalKB) {        format = this._progressFormatUnknownKB;        format = this._replaceInsert(format, 1, currentKB);      } else {        format = this._progressFormatKBKB;        format = this._replaceInsert(format, 1, currentKB);        format = this._replaceInsert(format, 2, totalKB);      }    }    else if (progressHasMB && totalHasMB) {      format = this._progressFormatMBMB;      format = this._replaceInsert(format, 1, (currentKB / 1024).toFixed(1));      format = this._replaceInsert(format, 2, (totalKB / 1024).toFixed(1));    }    else if (totalHasMB && !progressHasMB) {      format = this._progressFormatKBMB;      format = this._replaceInsert(format, 1, currentKB);      format = this._replaceInsert(format, 2, (totalKB / 1024).toFixed(1));    }    else if (progressHasMB && !totalHasMB) {      format = this._progressFormatUnknownMB;      format = this._replaceInsert(format, 1, (currentKB / 1024).toFixed(1));    }    return format;    },
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/c638d38804a8a1b23aaee5ccd66bb42aad5a242e/updates.js/clean/toolkit/mozapps/update/content/updates.js