Import 3d model in webgl

i’m new to webgl and i would like to import animated models into webgl, what is the format that actually give less troubles? I tryed collada but seems i have some difficult exporting collada model with 3dsmax 2012 anyone can help?
Thx a lot


PS my goal is to create a mmorpg with heavy rpg solutions and mysql archives for characters, maps, objects, etc etc