> Can you post a link to the site, it may be of more help. I 
> would think most of those would be javascript confirmations 
> and wouldn't really make a difference. Perhaps the site 
> sets a cookie for you to access the other pages. A link 
> would definatly help.

Although I acepted all cookies  on this Domain  all sites
follwing 
<http://www.aventispharma.es/oncologia/terminos.jsp>
like for example 
<http://www.aventispharma.es/oncologia/familia/cancermama/cancermamans.jsp>
has no content.