var exit = true;

Event.observe 
(
	window,
	'load',
	function ()
	{
		var base = $$ ('base');
		var baseHref = base[0].href;
		
		$$ ('a').each (function (link)
		{
			if (link.href.match (baseHref))
			{
				Event.observe 
				(
					link,
					'click',
					function ()
					{
						exit = false;
					}
				);                              
			}
		});
		
		$$ ('form').each (function (form)
		{
			Event.observe 
			(
				form,
				'submit',
				function ()
				{
					exit = false;
				}
			);                              
		});
	}
);

Event.observe 
(
	window,
	'unload',
	function ()
	{
		if (exit)
		{
			var popUnder = window.open ('popups/1310.html', 'popup_1310', 'resizable=0,width=300,height=250');
			popUnder.blur ();
			window.focus ();
		}
	}
);