allora fà una cosa...
con il blocco note cerca "index_file" e sostituiscilo con il link esplicito "http://www.mercuriolidio.it"
questo vale anche per i nomi delle immagini o per qualunque altro SRC
prova e fammi sapere


<div dir=ltr>
<p class=MsoNormal><span lang=it style='language:it'>Home page | </span><a
href="index_file/secondpage.htm"><span lang=it style='text-decoration:underline;
language:it'>Elenco prodotti</span></a><span lang=it style='language:it'> | </span><a
href="index_file/thirdpage.htm"><span lang=it style='text-decoration:underline;
language:it'>Contattaci</span></a><span lang=it style='language:it'> | </span><a
href="index_file/fourpage.htm"><span lang=it style='text-decoration:underline;
language:it'>Speciale Le Veniere</span></a><span lang=it style='language:
it'> | </span><a href="index_file/english.htm"><span lang=it
style='text-decoration:underline;language:it'>Home page</span></a></p>
</div>
<p class=MsoNormal><a href="../index.htm"><span lang=it style='text-decoration:
underline;language:it'>Home page</span></a><span lang=it style='language:
it'> | Elenco prodotti | </span>Contattaci</span><span
lang=it style='language:it'> | </span>Speciale Le Veniere</span><span
lang=it style='language:it'> | </span>Home page</span></p>
</div>