WebPlus X6: updating event agenda from anyware

Hi All

I need some help

I have a list ( like excel) on my website that contains dates with events and was wondering if I can update this list from anyware without haveng the software installed on that PC or have a webpage that can be updated ( true password)

I only need the posibility to add events to the list
now when i find something interessting I send a mail to my home and add this event later on my home pc

here is the link to the site containing the list http://www.degensfotografie.nl/evene...0kalender.html

any help is apriciated