function popup_comentario( ) { 
window.open('escreve-comentario.htm','janela01','status=yes,resizable=no,scrollbars=no,menubar=no,width=280px,height=335px,left=15px,top=20px') }

function popup_pedir_musica( ) { 
window.open('pedir-musica.htm','janela01','status=yes,resizable=no,scrollbars=no,menubar=no,width=280px,height=305px,left=15px,top=20px') }