// ==UserScript==
// @name            Google Print Enhance
// @namespace       http://andreas.web-graphics.com/
// @description     Enables "View Background Image" functionality on Google Print pages + removes ugly black border
// @include         http://print.google.com/*
var allImgs, thisImg;
allImgs = document.evaluate(
    "//img[@class='border']",
    document,
    null,
    XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
    null);
for (var i = 0; i < allImgs.snapshotLength; i++) {
    thisImg = allImgs.snapshotItem(i);
    thisImg.style.visibility = "hidden";
}