facilitate image browsing in 5ch threads
Adds bigger thumbnails to image links. Thumbnail size can be toggled by clicking. Also adds side features and a gallery viewer via buttons.
Thumbnail size changes cycle between default size, large size (based on window size), and true/full size. Left-clicking increases the size by one stage and shift+left-clicking decreased the size by one stage.
Button functions:
(G)allery: Show/hide gallery view
0/1/2: Change size of all thumbnails (0 for default size, 1 for large size scaled to window, 2 for full size)
Up: scroll up one image link (and its thumbnail)
Down: scroll down one image link
(C)urrent: focus onto the currently topmost image link on screen
(F)irst: focus onto the first image link of the page
(L)ast: focus onto the last image link of the page
(W)arp: enable/disable warping between first and last image links when using the up and down buttons
(H)ide: hide/unhide posts that do not contain image links
Buttons with toggle effects will turn red when they are on.
Gallery functions:
Left-click image: focus the page onto the corresponding image
Middle-click image: display fullsize view, add prev/next buttons to move between fullsize images
Left-click elsewhere: close gallery or close fullsize view
