window.onload = function()
{
	var i, as = document.getElementsByTagName('a');

	for(i=0; i<as.length; i++)
	{
		if(as[i].className.indexOf('external') != -1)
		{
			as[i].onclick = function()
			{
				window.open(this.getAttribute('href'));
				return false;
			}
		}
	}
}