function goto_parent(alink)
{
	var newwin;
	var oldwin;
	
	if(window.opener && (typeof(window.opener) != "undefined") && !(window.opener.closed))
	{
		oldwin = window.opener;
		oldwin.location = alink.href;
		oldwin.focus();
		window.close();
		oldwin.focus();
		return true;
	}
	else
	{
		newwin = window.open(alink.href, '_blank', 'location=1, status=1,  menubar=1, toolbar=1, resizable=1, scrollbars=1');
		newwin.focus();
		window.close();
		newwin.focus();
		return newwin;
	}
	return true;
}