Alterar codigo para abrir em nova Aba

 <form>

<select NAME="links"

onChange="top.location.href=this.form.links.options

[this.form.links.selectedIndex].value">



<option VALUE="http://nomedoblog.blogspot.com/2009/04/qualque-coisa.html">Nome 1

</option>

<option VALUE="http://nomedoblog.blogspot.com/2009/04/alguma-cosa.html">Nome 2

</option>

<option VALUE="http://nomedoblog.blogspot.com/2009/04/duvida-quer-saber.html">nome 3

</option>

<option VALUE="http://letrasgauchas.blogspot.com/2009/04/me-ajude-resolve.html">Nome 4

</option>

</select>

</form>