I need to change one of my yahoo hosted web pages, but no longer have the web builder software installed on my computer

hey,
i took a web hosting plan from yahoo for 1 year… (may 2009)
[ Service Plan Details : Web Hosting ]
I hve downloaded yahoo site builder tool 2.6, as i was looking for some easy site builder. i hve just created a very normal and simple 4 pages…
up to now everything is OK…..
but ‘d real problem [...]