function externalLink_onLoad()
{
	// var h = window.location.host;

	for (var i = 0; i < document.links.length; i++)
	{
		var l = document.links[i];

		if (! (l.host.match(/([^.]+\.)?arak\.jp(:[0-9]+)?/)
			|| l.host.match(/awasete.com/)))
		{
			var add = true;

			if (l.text)
			{
				if (0 == l.href.indexOf("mailto:", 0))
				{
					add = false;
				}
				else if (l.text != l.href)
				{
					l.title = "[外部リンク] " + l.href;
				}
			}
			else if (l.innerText != l.href)
			{
				l.title = l.innerText + "\r\n" + l.href;
			}

			if (add)
			{
				l.innerHTML = "<img src=\"/img/ext.png\" width=13 height=9 class=\"external\">" + l.innerHTML;
			}
		}
	}
}

window.onload = externalLink_onLoad;