Userscripts.org

// ==UserScript==
// @name          	Updates eBay Hostname to .co.uk domain
// @description   	Updates eBay links to co.uk
// @include			http://feedback.ebay.com/ws/eBayISAPI.dll?ViewFeedback&userid=*
// @include			http://toolhaus.org/cgi-bin/negs?*
// ==/UserScript==

var elmLink, elmCount

for (var i = document.links.length - 1; i >= 0; i--) {
		elmLink = document.links[i];
		if ( document.links.item(i).href.indexOf( "http://cgi.ebay.com" ) != -1 ) {
		document.links[i].hostname = "cgi.ebay.co.uk" ;
}
}