CONDENSED FINANCIAL INFORMATION OF THE PARENT COMPANY (Details 4)
12 Months Ended
Dec. 31, 2013
USD ($)
Dec. 31, 2013
CNY
Dec. 31, 2012
CNY
Dec. 31, 2011
CNY
Dec. 31, 2013
Parent
USD ($)
Dec. 31, 2013
Parent
CNY
Dec. 31, 2012
Parent
CNY
Dec. 31, 2011
Parent
CNY
Condensed statements of cash flows                
Net cash used in operating activities $ 20,060,000 121,437,000 31,898,000 58,666,000 $ (6,669,000) (40,370,000) (108,007,000) (63,412,000)
Cash flows from investing activities:                
Purchases of property and equipment (16,176,000) (97,926,000) (102,391,000) (77,563,000)     (5,716,000) (7,779,000)
Deconsolidation of a consolidated VIE       (2,204,000)       (2,204,000)
Cash paid pursuant to post-acquisition settlement consideration agreement       (4,286,000)       (4,286,000)
Cash paid for available-for-sale investments       (99,190,000)       (99,190,000)
Cash paid for available for-sale investment on behalf of a subsidiary         (2,022,000) (12,240,000)    
Cash paid for long term investment (Note 10) (1,043,000) (6,314,000) (6,000,000) (9,136,000) (795,000) (4,815,000) (3,000,000) (6,033,000)
Cash received from sale of available-for-sale investments (Note 11) 9,459,000 57,260,000 18,582,000   9,459,000 57,260,000 18,582,000  
Net cash used in investing activities (18,645,000) (112,872,000) (99,602,000) (192,379,000) 6,642,000 40,205,000 9,866,000 (119,492,000)
Cash flows from financing activities:                
Proceeds from employee share options exercised 2,591,000 15,683,000 3,351,000 4,019,000 2,591,000 15,683,000 3,351,000 4,019,000
Cash gauranteed as restricted cash (9,911,000) (60,000,000)     (9,911,000) (60,000,000)    
Payment for repurchase of ordinary shares     (9,463,000) (63,631,000)     (9,463,000) (63,631,000)
Payment of dividend     (130,000)       (130,000)  
Net cash (used in)/ provided by financing activities 2,591,000 15,683,000 (6,242,000) (59,612,000) (7,320,000) (44,317,000) (6,242,000) (59,612,000)
Net (decrease)/ increase in cash and cash equivalents 4,006,000 24,248,000 (73,946,000) (193,325,000) (7,347,000) (44,482,000) (104,383,000) (242,516,000)
Cash and cash equivalents at beginning of the year 52,387,000 317,137,000 392,535,000 592,706,000 27,095,000 164,024,000 269,859,000 519,221,000
Effect of foreign exchange rate changes on cash (544,000) (3,293,000) (1,452,000) (6,846,000) (317,000) (1,916,000) (1,452,000) (6,846,000)
Cash and cash equivalents at end of the year $ 55,849,000 338,092,000 317,137,000 392,535,000 $ 19,431,000 117,626,000 164,024,000 269,859,000