function displayWindow(url, width, height, scrollbars, closeOnBlur)
{
	scrollbars = scrollbars || 'yes';
	win = window.open(
		url,
		"ExternalLink",
		"width="+width+",height="+height+",scrollbars="+scrollbars
		);
	if (closeOnBlur) win.onblur = win.close;

	return (win == null);
}

function displayAndForward(url1, width, height, url2)
{
	displayWindow(url1, width, height);
	this.location.href = url2;
	return false;
}