if (self.name==top.name) 
{ 
document.write('<frameset rows="*,0" border="0" framespacing="0" frameborder="0" margin="0">')
document.write('<frame src='+document.location.href+'?a name="main" noresize>')
document.write('<frame src="musica.htm" name="musica" noresize>')
document.write('</frameset>')
}