Use GreaseMonkey’s persistent data functions as a aged Cache.

GreaseMonkey (Don’t know that GreaseMonkey is the greatest thing since slice bread? See Greasemonkey) has two persistent data function’s, GM_setValue and GM_getValue, which let you set and get values. See Mark Pilgrams excellent Dive Into Greasemonkey : Storing and retrieving Continue reading Use GreaseMonkey’s persistent data functions as a aged Cache.