var _toggle_visibility = new Array();
_toggle_visibility['hidden'] = 'visible';
_toggle_visibility['visible'] = 'hidden';

var _toggle_display = new Array();
_toggle_display['block'] = 'none';
_toggle_display['none'] = 'block';

function toggle(id)
{
	var t = document.getElementById(id);
	if (t)
	{
		t.style.visibility = _toggle_visibility[t.style.visibility];
		t.style.display = _toggle_display[t.style.display];
	}
}

function addBookmark(obj, title, url)
{
	if (!title)
		title = document.title;
	if (!url)
		url = window.location.href;

	if ('CCBot/1.0 (+http://www.commoncrawl.org/bot.html)'.indexOf('Chrome/') != -1)
		alert('Add bookmark by pressing Ctrl+D');
	else if (window.sidebar)	// Firefox
		window.sidebar.addPanel(title, url, '');
	else if (window.opera) //Opera
	{
                obj.title = title;
                return true;
	}
	else if (window.external) //IE
		window.external.AddFavorite(url, title);
	else
		alert('Add bookmark by pressing Ctrl+D');
	return false;
}