USD/JPY strange behaviour

I read USD/JPY is - 80% negatively correlated with eur/usd.

In first week of feb, when eur/usd was going down, USD/JPY was also going down- so no correlation worked.

Now i see eur/usd is going up, USD/JPY is also going up- again no correlation worked.

I cant understand USD/JPY behaviour. Can someone please let me know:

1) With which pair USD/JPY is highly corrleated?

2) Why the correlation of USD/JPY with eur/usd is not working?

Thanks in advance.

Here's an article that might help:

http://www.mfngroup.com/forex-correlations.html

looks like that was one of the 20% non negatively correlated.

Thanks for responses...Strange USD/JPY.