webbyhull

hi there, i was wondering if someone could help me out i have just installed joomla and i need to auto sync the user table from my excisting custom table. i can just do an export import but that takes time, is there anyway of making this auto sync? also the password field isnt encrypted on my custom userlist but it needs to convert to md5 for the joomla table any help would be appriciated cheers in advnace