According to https://www.w3schools.com/js/js_cookies.asp , you set the cookie's expire date to sometime in the past. AKA you force it to delete itself.
added a button to clear all settings. also settings are saved in LocalStorage rather than using cookies now, you might need to re-select your settings
Ooo, another alternate script! Love learning about others. I usually go for Elian myself.
the new art gallery is ready! check it out
i had to FIGHT to get those thumbnails to display as perfect squares