By MarketWatch TOKYO (MarketWatch) -- The dollar slipped against most major rivals in Asian trading Friday but gained on its Japanese counterpart as China made no new overtures toward revaluing its currency, which most analysts believe would give the Japanese unit a lift. Against its Japanese counterpart, the dollar (CUR_USDYEN 93.6600, +0.2600, +0.2784%) bought 93.53, up from 93.39 yen in late North American trading Thursday. A growing number of experts and investors believe that China will ease its currency's peg to the U.S. dollar, although the timing of the move and the details of new regime remain unknown. Read more on China yuan. If China allows its renminbi yuan to significantly appreciate against the U.S. dollar, the Australian dollar and the New Zealand dollar would likely be the biggest losers among Group of 10 developed countries' currencies, and Japan's yen the biggest winner, according to Barclays Capital foreign exchange analysts. Read Market Junkie blog post for more on China yuan. The dollar index (DXY 81.36, -0.17, -0.21%) , which measures the U.S unit against a trade-weighted basket of six major currencies, traded at 81.241, down from 81.537 late Thursday. The euro (CUR_EURUSD 1.3402, +0.0045, +0.3369%) bought $1.3411, up from $1.3352, and the British pound (CUR_GBPUSD 1.5369, +0.0090, +0.5871%) rose to $1.5362 from $1.5271. On Thursday, the dollar gave up gains against the euro after the president of the European Central Bank dismissed the prospect of a default by debt-ridden Greece. See Thursday's Currencies report.

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