function subwindow(url, width, height) {
    var scrollbar=0;
    var resizable=0;
    popup = window.open(url, "subwin", "scrollbars="+scrollbar+",resizable="+resizable+",status=0,location=0,width="+width+",height="+height);
    popup.focus();
}

function to_old_win(url)
{
	opener.location.href = url;
	opener.window.focus();
}