// ==UserScript==
// @name           YDict Suggest
// @namespace      http://ellab.org/
// @version        1.0
// @description    Suggest a word in Hong Kong Yahoo Dictionary if the spelling is wrong.
// @include        http://hk.dictionary.yahoo.com/noresult.html*
// ==/UserScript==

/*
Author: Angus http://angusdev.mysinablog.com/

Version history:
1.0    17-Mar-2008   First release.
*/

// extract the search word from URL
var word = document.location.href.match(/[\?|&]s=(.*)/);
if (!word) return;
word = word[1];

// find the div to hold the result, display a loading gif
var div = document.evaluate("//div[@class='estitle']", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
if (!div) return;

div.innerHTML += "<span id='ydictsuggest'>" +
                 "<img src='data:image/gif;base64,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%3D' " +
                 "border='0' style='vertical-align:bottom;'/>" +
                 " Loading suggestion...</span>";

GM_xmlhttpRequest({
  method: 'GET',
  url: 'http://www.google.com/search?q=' + word,
  onload: function(t) {
    var span = document.getElementById('ydictsuggest');
    if (span) {
      var res = t.responseText.match(/href="[^"]*&spell=1"/);
      var res = t.responseText.match(/&amp;q=([^&]*)&amp;spell=1/);
      if (res) {
        var suggest = res[1];
        span.innerHTML = "<span style='color:#c00;'>Did you mean:</span> " +
                         "<a style='font-weight:bold; font-style:italic;' href='/search.html?s=" + suggest + "'>" + suggest + "</a>";
      }
      else {
        span.innerHTML = "No suggestion from Google.";
      }
    }
  }
});