I don't know much about it but I found a couple links :

http://www.dysartdays.com/animalhous...htm#FiddleLeaf

http://www.littleyorkplantation.com/catpoison.htm

http://www.geocities.com/taliskercats/plants.html

http://www.hswv.com/tips/poison-plants.html

From the looks of the last link, It seems like you should get rid of the weeping fig =/