var br = 1;
if(navigator.appName == "Microsoft Internet Explorer") {
    br=1;
} else {
    br=2;
}
function popup_mono(toneId) {
  window.open('/vn/tone/listen.jsp?tid=' + toneId + '&type=m' + '&br='+br,'name', 'height=310, width=132, left=100, top=100, resizable=no, scrollbars=no, toolbar=no, status=no');
}
function popup_poly(toneId, name, author) {
  window.open('/vn/tone/listen.jsp?tid=' + toneId + '&type=p' + '&br='+br,'name', 'height=310, width=132, left=100, top=100, resizable=no, scrollbars=no, toolbar=no, status=no');
}
function popup_amr(toneId, name, author) {
  window.open('/vn/tone/listen.jsp?tid=' + toneId + '&type=a' + '&br='+br,'name', 'height=310, width=132, left=100, top=100, resizable=no, scrollbars=no, toolbar=no, status=no');
}
function popup_word(toneId, name, author) {
  window.open('/vn/tone/listen.jsp?tid=' + toneId + '&type=w' + '&br='+br,'name', 'height=310, width=132, left=100, top=100, resizable=no, scrollbars=no, toolbar=no, status=no');
}