function open_window(link,w,h) //opens new window
        {
                var win = "width="+w+",height="+h+",menubar=no,location=no,resizable=yes,scrollbars=yes";
                newWin = window.open(link,'newWin',win);
                newWin.focus();
        }

        function open_printable_version(link) //opens new window
        {
                var win = "menubar=no,location=no,resizable=yes,scrollbars=yes";
                newWin = window.open(link,'perintableWin',win);
                newWin.focus();
        }