rem: this.mDisplayDirectory = lastDirectory; 
add: if (lastDirectory) { this.mDisplayDirectory = Components.classes[LOCAL_FILE_CONTRACTID].createInstance(nsILocalFile); this.mDisplayDirectory.initWithPath(lastDirectory); } else { this.mDisplayDirectory = null; } 
context: function nsFilePicker(){  /* attributes */  this.mDefaultString = "";  this.mDisplayDirectory = lastDirectory;  this.mFilterTitles = new Array();  this.mFilters = new Array();}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/b2362555bacaf42a85a6ab536d4c4c321970d31e/nsFilePicker.js/buggy/xpfe/components/filepicker/src/nsFilePicker.js