if (self.name==top.name) 
{ 
document.write('<frameset cols="140,*" frameborder="NO" border="0" framespacing="0"> ')
document.write('<frame name="barra" scrolling="NO" noresize src="barra.htm">')
document.write('<frame name="cbita" src='+document.location.href+'?a>')
document.write('</frameset>')
document.write('</frameset>')
}