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Investment in Equity Investees (Detail)
12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2011
USD ($)
Dec. 31, 2011
CNY
Dec. 31, 2010
CNY
Dec. 31, 2011
Shanghai Tonghua Network Technology Co Ltd
CNY
Dec. 31, 2011
Shanghai Tonghua Network Technology Co Ltd
USD ($)
Dec. 31, 2011
Beijing Huayi Giant Information Technology Co. Ltd.
CNY
Dec. 31, 2011
Beijing Huayi Giant Information Technology Co. Ltd.
USD ($)
Dec. 31, 2011
Shanghai Juxi Network Technology Co Ltd
CNY
Dec. 31, 2011
Shanghai Juxi Network Technology Co Ltd
USD ($)
Dec. 31, 2011
Shanghai Juxian Network Technology Co Ltd
CNY
Dec. 31, 2011
Shanghai Juxian Network Technology Co Ltd
USD ($)
Dec. 31, 2011
Yunfeng Fund
CNY
Dec. 31, 2011
Yunfeng Fund
USD ($)
Dec. 31, 2011
Gross
CNY
Dec. 31, 2010
Gross
CNY
Dec. 31, 2011
Gross
Shanghai Tonghua Network Technology Co Ltd
CNY
Dec. 31, 2010
Gross
Shanghai Tonghua Network Technology Co Ltd
CNY
Dec. 31, 2011
Gross
Beijing Huayi Giant Information Technology Co. Ltd.
CNY
Dec. 31, 2010
Gross
Beijing Huayi Giant Information Technology Co. Ltd.
CNY
Dec. 31, 2011
Gross
Shanghai Juxi Network Technology Co Ltd
CNY
Dec. 31, 2011
Gross
Shanghai Juxian Network Technology Co Ltd
CNY
Dec. 31, 2011
Gross
Yunfeng Fund
CNY
Dec. 31, 2011
Income (Loss) from Equity Method Investments
CNY
Dec. 31, 2010
Income (Loss) from Equity Method Investments
CNY
Dec. 31, 2011
Income (Loss) from Equity Method Investments
Shanghai Tonghua Network Technology Co Ltd
CNY
Dec. 31, 2010
Income (Loss) from Equity Method Investments
Shanghai Tonghua Network Technology Co Ltd
CNY
Dec. 31, 2011
Income (Loss) from Equity Method Investments
Beijing Huayi Giant Information Technology Co. Ltd.
CNY
Dec. 31, 2011
Income (Loss) from Equity Method Investments
Shanghai Juxi Network Technology Co Ltd
CNY
Dec. 31, 2011
Income (Loss) from Equity Method Investments
Shanghai Juxian Network Technology Co Ltd
CNY
Dec. 31, 2011
Income (Loss) from Equity Method Investments
Yunfeng Fund
CNY
Schedule of Equity Method Investments [Line Items]                                                            
Investment in equity investees   35,125,945   2,351,894 $ 201,583 32,774,051 $ 5,292,034   $ 947,608   $ 20,321   $ 49,370,326 [1] 360,266,331 35,774,051 3,000,000 3,000,000 32,769,269 32,774,051 6,128,039 1,319,023 317,050,000 [1] (8,866,107) (648,106) (1,731,257) (648,106) 538,265 (163,888) (1,191,127) (6,318,100) [1]
Cost of investments   324,492,280       (4,782)   6,128,039   1,319,023   317,050,000 [1]                                    
Share of equity income (1,305,709) (8,218,001) (648,106) (1,083,151)   538,265   (163,888)   (1,191,127)   (6,318,100) [1]                                    
Investment in equity investees $ 55,831,872 351,400,224 35,125,945 1,268,743 $ 201,583 33,307,534 $ 5,292,034 5,964,151 $ 947,608 127,896 $ 20,321 310,731,900 [1] $ 49,370,326 [1] 360,266,331 35,774,051 3,000,000 3,000,000 32,769,269 32,774,051 6,128,039 1,319,023 317,050,000 [1] (8,866,107) (648,106) (1,731,257) (648,106) 538,265 (163,888) (1,191,127) (6,318,100) [1]
[1] In September 2011, the Company invested an aggregate amount of RMB317,050,000 (US$50,374,172) in Yunfeng Fund as a Limited Partner, where it has a term of 10 years, with an option to extend for another two years. Given the Company holds more than three percent interest in Yunfeng Fund and the significance of this investment, the investment is accounted for under the equity method as prescribed in ASC323-10. As of and for the year ended December 31, 2011, the total assets, liabilities and operating loss of Yunfeng fund are RMB3,051,110,433 (US$484,772,626), RMB89,687,234 (US$14,249,866) and RMB63,008,814 (US$10,011,092), respectively.