Scroll Up Folder

It`s an add-on for Firefox and used for going up a folder of a website. Usage: place mouse over urlbar, scroll wheel up or down. Middle click bar to go.If you prefer use your keyboard, go to urlbar (F6 shortcut or click onto) then press ALT. A window will display available urls. Press UP or DOWN to navigate then valid with ALT.Note: you can still type your url. This works with each tab independently and save the deeper path visited to get back even after changing PaGE (cf the feature requested).