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You need server space to host it. You can get free space but usually it has ads. If you want server space without ads you have to pay. Anyway, i use www.bravehost.com, its pretty nice for what you need to do.
i use adobe golive, cause i didnt feel like getting into dreamweaver at this point, and i already had it because i bought the adobe creative suit for indesign and photoshop. golive is a good program, and you can do a lot with it. but dreamweaver is where its at. plan on spending a shit ton of time learning any of these programs though. they are tricky.
if you have a high-speed internet service, like comcast (which i do), they sometimes give you a certain ammount of server space, say to put up a website, or have e-mail storage. i know comcast does, not sure about other companies tho.