http://www.livemocha.com/ is a great site. It has lessons, and you can talk to people from all over for support or help. From the site:
Livemocha is available today with support for six popular languages – English, Spanish, French, Hindi, German, and Mandarin Chinese. Key elements of Livemocha’s learning approach include:
Dynamic lesson content – Lesson plans include over 160 hours of beginner and intermediate level content teaching everyday conversational language along with a full range of practical reading, listening, writing and speaking exercises. Livemocha also leverages the native language expertise of its members by allowing them to enhance the content with grammar tips, alternative phrases and colloquialisms.
Global community – Members all over the world can utilize their native language proficiency to teach and learn from other members of the community. Users have the option of practicing structured conversation exercises with a native speaker or submitting a writing or an audio sample of an exercise for a native speaker to edit or correct. These community-based interactive tools in Livemocha help build a strong engaged language community.
Motivational system – For most people with little free time, learning a language can take a back seat to their busy lives. Through competitions, a language buddy system and community encouragement, Livemocha provides the tools to keep learners motivated and making steady progress.