Traders report that funds have been aggressive sellers of JPY crosses today, presumably on risk aversion and fears of contagion from the Greek (and spreading) crisis.
USD/JPY has fallen to session lows at 93.45 so far, working through bids from Japanese institutional investors in the 93.70 region. 93.30/40 is next support on pullbacks.
EUR/JPY support is around 124.20 with more down at 1243.30/40.