espero que este codigo te sirva,
<HTML>
<HEAD>
<META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
<TITLE></TITLE>
<script language=javascript>
function ventanaSecundaria (URL){
window.open(URL,"ventana1","width=5 00,height=170,scrollbars=NO")
}
</script>
</HEAD>
<BODY onload="ventanaSecundaria('http://www.cordobita.com/listacorreo.html');">
asdfasdf
asdf
asdf
asd
fas
df
</BODY>
</HTML>
<img src="http://www.imasur.com/fotos-imasur/tiopepe.jpg">
<img src="http://www.ac-nantes.fr/peda/disc/lv/espagnol/images/madrid3/vi082f.jpg">