José Miguel Vega:
Thank you for posting.
Does the search option work before you customize the Site Assistant page? Also if your site is remotely accessible, you could post the URL so that we could test it ourselves.
You can check if IE is getting any errors by going to Tools > Internet Options > Advanced and enabling "Display a notification about every script error."
Thanks for your answer.
The search option didn't work on IE before I changed the php files. You can see the site on the following URL:
You must select the "Catalogo" option on the menu to access the filemaker site.
I will check the script error on IE and tell you...
José Miguel Vega
Did you ever find the cause of your problem? The website you site is working on IE8 for me.