src/browser/db/S.Db.LocalStore.js
function(callback,onEnd){
			//because next function is changing, we can't go this.next.bind(this)
			S.asyncWhile(function(){ this.next.apply(null,arguments); }.bind(this),callback,function(){
				this.close();
				onEnd && onEnd();
			}.bind(this));
		}
function(callback,onEnd){
			//because next function is changing, we can't go this.next.bind(this)
			S.asyncWhile(function(){ this.next.apply(null,arguments); }.bind(this),callback,function(){
				this.close();
				onEnd && onEnd();
			}.bind(this));
		}
/*next: ,