Subsequent Events	12 Months Ended
Dec. 31, 2012
Subsequent Events [Abstract]
Subsequent Events	22. Subsequent Events On February 28, 2013, the Group obtained a short-term credit facility for working capital purposes totaling RMB30.0 million through an agreement with China Merchants Bank Co., Ltd.. The credit facility will expire on February 28, 2014. As of the date of this annual report the facilities has not been used. On March 15, 2013, the Company granted up to 18,708,400 options to its employees under the refreshed Limit of the June 2008 Scheme, the exercise price of the option was US$0.4459, or US$3.5674 per ADS, the fair value of the option as of the grant date was US$0.299.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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