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PROPERTY AND EQUIPMENT, NET
12 Months Ended
Dec. 31, 2012
PROPERTY AND EQUIPMENT, NET [Abstract]  
PROPERTY AND EQUIPMENT, NET

(5) PROPERTY AND EQUIPMENT, NET

 

Property and equipment consists of the following:

 

    December 31,  
    2011     2012  
Computer equipment     55,602,672       79,251,862  
Furniture and office equipment     7,806,643       9,473,470  
Leasehold improvements     7,737,400       11,342,046  
Purchased software     27,659,057       31,855,569  
Capitalized software development costs     45,585,121       60,764,100  
Software development projects in progress     302,442       1,046,110  
Less: accumulated depreciation     (100,463,597 )     (121,370,971 )
Property and equipment, net     44,229,738       72,362,186  

 

Depreciation expense for property and equipment was RMB19,384,294, RMB21,286,199 and RMB26,934,818 for the years ended December 31, 2010, 2011 and 2012, respectively.

 

As of December 31, 2011 and 2012, the Group's capitalized software development costs, including projects in progress, net of accumulated depreciation, was RMB17,108,334 and RMB21,210,566, respectively. For the years ended December 31, 2010, 2011, and 2012, the Group recorded depreciation relating to capitalized software development costs of RMB7,716,376, RMB9,818,104 and RMB11,530,416, respectively.