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Facebook Connection

Hi guys, I think I might need a little help linking my instructables to my facebook.  I have tried using the button several times, 10 I think, and I have made sure I carefully put in the username and the password correctly, but whenever I click sign in it always gives me a blank screen?  Anyone else having the same problem, and does anyone know of a solution or a different way to connect the instructables and facebook accounts?  Or is my facebook connected and I just cant tell because of the blank screen?  When I log onto facebook seperatly it doesn't show in any way that I am connected to instructables.  All of your answers would be helpful.  Thanks!