// ==UserScript==
// @name           DPMZ highlight
// @namespace      www.daddy.sk
// @include        http://www.dpmz.sk/Stranky/Vyhladat.php?*
// ==/UserScript==
// 

var cells, thisCell;
cells = document.evaluate(
    '/html/body/table[2]/tbody/tr/td/p/table[2]/tbody/tr/td[2]',
    document,
    null,
    XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
    null);
for (var i = 0; i < cells.snapshotLength; i++) {
    thisCell = cells.snapshotItem(i);
	thisCell.bgColor = "#11EE33";
}