//main Function
var setprefs = function() {
//If page_picture is undeined, set it as "http://"(dummy for prompt)
if(GM_getValue("page_picture")==="undefined"){GM_setValue("page_picture", "http://");}
//prompt use for picture adress
var setpic = prompt("Set page background picture:", GM_getValue("page_picture"));
//save User supplies url to preference (about:config)
GM_setValue("page_picture", setpic);
//confirm set this pic as global background
if(confirm("Do you want this picture for all pages?")){GM_setValue("page_picture_boolean", "true")}else{GM_setValue("page_picture_boolean","false");}
//set background as User suppleis url
document.body.background = setpic;}
//If page loaded and Page_Picture_boolean set, Load background from Url(supplied by setprefs)
if(GM_getValue("page_picture_boolean")==="true"){document.body.background = GM_getValue("page_picture");}
//register setprefs As Menu Command
GM_registerMenuCommand("Set background picture", setprefs);
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If our society seems more nihilistic than that of previous eras, perhaps this is simply a sign of our maturity as a sentient species.