function OpenMusic(url) { 
  target = 'music'; 
  width = 400; 
  height = 90; 
  l = ((screen.availWidth - width - 10) * .5); 
  t = ((screen.availHeight - height - 10) * .5); 

  param = 'scrollbars=no, ' + 
          'toolbar=no, ' + 
          'location=no, ' + 
          'status=no, ' + 
          'menubar=no, ' + 
          'resizable=no, ' + 
          'width=' + width + ', ' + 
          'height=' + height + ', ' + 
          'left=' + l + ', ' + 
          'top=' + t; 

  Win = window.open(url, 
                    target, 
                    param); 
  // Win.resizeTo(width, height); 
  Win.location.href = url; 
  Win.focus(); 
}