function openWindow(filename)
{
	window.open(filename,"my_new_window","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,titlebar=no,resizable=no,copyhistory=no,width=640,height=480");
	return true;
}

function loadnav(frame,loc)
{	//window.alert(loc);
	//alert("frame = " + frame + " loc = " + loc);
	//alert(parent.frames[frame]);
	try
	{
		parent.frames[frame].location.href=loc;
	}
	catch(err)
	{
		alert("err = " + err.description);
	}
	return true;
}