Add arrows on JIRA number

add_arrow_on_jira_number.user.js

// ==UserScript==
// @name           Add arrows on JIRA number
// @namespace      http://gist.github.com/259327
// @include        http://sydlinux3:8080/browse/*
// ==/UserScript==

// Version 20091218

addArrows();
function addArrows() {
	var itemLink = document.evaluate("//table[@id='issuedetails']/tbody/tr/td[2]//a",
									document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
	if (itemLink) {
		parentB = itemLink.parentNode
		itemID = itemLink.innerHTML;
		[itemType, itemNo] = itemID.split("-");
		prevItemNo = itemNo - 1;
		nextItemNo = itemNo - 0 + 1;
		prevItemID = itemType + "-" + prevItemNo;
		nextItemID = itemType + "-" + nextItemNo;
		var pf = document.createElement("a");
		pf.setAttribute("href", prevItemID);
		pf.innerHTML = "&nbsp << &nbsp";
		parentB.insertBefore(pf,itemLink);

		var nf = document.createElement("a");
		nf.setAttribute("href", nextItemID);
		nf.innerHTML = "&nbsp >> &nbsp";
		parentB.appendChild(nf);
	}
}