// ==UserScript==
// @name           WolframAlpha on Google
// @namespace      jp.in_vitro.waongoogle
// @description    Shows wolframalpha search form on Google
// @include        http://www.google.*/search?*q=*
// @date           2009-06-03
// @version        1.0
// @GM_version     0.8.20080609.0
// ==/UserScript==

var header = document.getElementById("header");
if(header == null){
    return;
}
var waDiv = document.createElement("div");
waDiv.id = 'wolframalpha_searchform';
waDiv.innerHTML = '<form action="http://www40.wolframalpha.com/input/"><span style="width:352px;height:43px;display:block;background-position:1px -145px;background-image:url(http://www.wolframalpha.com/images/basicSprite.png);background-repeat:no-repeat;"><span style="display:block;margin-left:357px;width:500px;"><input type="text" size="50" name="i"><input type="submit" value="検索"></span></form>';
header.appendChild(waDiv);