// ==UserScript==
// @name         easy I'm feeling lucky
// @namespace     http://a-h.parfe.jp/einfach/
// @include       http://*.google.*/*
// ==/UserScript==

(function() {

var ginput = document.evaluate("//input[@name='btnG']", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;

var gform = document.evaluate("//form[@name='f']", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue || document.evaluate("//form[@name='gs']", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;

document.addEventListener('keypress', function(e){
		gmctrlKey = (e.ctrlKey);
		gmshiftKey = (e.shiftKey);
	}, true);

gform.addEventListener('submit', function(){
		if(gmctrlKey||gmshiftKey)
			ginput.name='btnI';
		else
			ginput.name='btnG';			
	}, true);

})();