 this.db.open(dbName||this.dbName); 
this.db.open(dbName); 
	open: function(dbName){		if(this._dbOpen && (!dbName || dbName == this.dbName)){			return;		}				try{			this._initDb();					this.db.open(dbName||this.dbName);			this._dbOpen = true;		}catch(exp){			throw exp.message||exp;		}	},
5168	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5168/c6a281ff7e98486bd4754a45abb1f770e78608f6/common.js/buggy/_sql/common.js