var Frame0 = "musica5.html";
var Frame2 = "index_.html";
var str = location.search;
var pos = str.indexOf("&");
if (pos != -1) {
  var num = str.substring(pos + 1, str.length);
  window["Frame" + num] = str.substring(1, pos);
}

document.write(
'<frameset rows="37px, *" border="0" frameborder="no" framespacing="0">',
'<frame name="header" src="', Frame0 ,'" noresize scrolling="no">',
'<frame name="corpo" src="', Frame2 ,'" noresize>',
'</frameset>'
);