// 
// Copyright (c) 2005-2006 David Terrell <dbt@meat.net>
//

// ==UserScript==
// @name          Fix Yahoo Links
// @namespace     http://meat.net/
// @description   Fix the ugly _yl=... junk in yahoo links.
// @include       http://*.yahoo.com/*
// ==/UserScript==

var url, re, re2;
url = window.location.href;
re = new RegExp(';_yl.=[^;?/]+','g');
re2 = new RegExp('http://(us.rd|us.ard|rds).yahoo.com/.*\\*-?http(%3A|:)','g');
url = url.replace(re, '');
// avoid infinite loop
if (window.location.href != url) {
    window.location.href = url;
} else {
    var allLinks, thisLink, href;
    allLinks = document.evaluate(
        '//a[@href]',
        document,
        null,
        XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
        null);
    for (var i = 0; i < allLinks.snapshotLength; i++) {
        thisLink = allLinks.snapshotItem(i);
        href = thisLink.href;
        if (href.match(re2))
        {
			 thisLink.href = href.replace(re2, 'http:');
        }
        else if (href.match(/http:\/\/[^\/]+\.yahoo\.com\/.*/i))
        {
			url = href.replace(re, '');    
			if (url != href) { 
				//GM_log("link change " + thisLink.href + " -> " + url);
				thisLink.href = url;
			} 
		}
    }
}