if (response.guid) {
                        if(response.guid == 'clear'){
                            guids.forEach(function(x){
                                localStorage.removeItem(x);
                            });
                            guids = [];
                        } else {
                            guids.push(response.guid);
                            localStorage.guids = guids.toString();
                            localStorage[response.guid] = this.target.responseText;
                        }
                    }