rem: if (this.mStartDate) this.mStartDate.makeImmutable(); if (this.mEndDate) this.mEndDate.makeImmutable(); if (this.mStampDate) this.mStampDate.makeImmutable(); 
add: this.mStartDate.makeImmutable(); this.mEndDate.makeImmutable(); this.mStampDate.makeImmutable();  
context:     makeImmutable: function () {        if (this.mStartDate)            this.mStartDate.makeImmutable();        if (this.mEndDate)            this.mEndDate.makeImmutable();        if (this.mStampDate)            this.mStampDate.makeImmutable();        this.makeItemBaseImmutable();    },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/c77a324d89eb0554304c92e9b1711ed879d16a00/calEvent.js/buggy/calendar/base/src/calEvent.js