// ==UserScript==
// @name Hatena Diary Hide Unneeded Element
// @namespace http://opera.higeorange.com/
// @include http://d.hatena.ne.jp/USERNAME/edit*
// ==/UserScript==

// Edit @incude section, 'USERNAME' to your hatena username.

(function() {
    var hideElement = document.evaluate('//table[@class="table-config"]', document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
    if(hideElement) {
        hideElement.style.display = 'none';
        var toggleButton = document.createElement('p');
        toggleButton.style.fontSize = '90%';
        var toggleButtonAnchr = document.createElement('a');
        toggleButtonAnchr.href = "javascript:void(0)";
        toggleButtonAnchr.addEventListener('click', toggle, false);
        toggleButtonAnchr.appendChild(document.createTextNode('toggle'));
        toggleButton.appendChild(toggleButtonAnchr);
        hideElement.parentNode.insertBefore(toggleButton, hideElement);
    }
    function toggle() {
        var c = hideElement.style.display;
        if(c == 'none') {
            hideElement.style.display = 'block';
        } else {
            hideElement.style.display = 'none';
        }
    }
})();