PROPERTY AND EQUIPMENT, NET (Tables)

12 Months Ended

Dec. 31, 2012

PROPERTY AND EQUIPMENT, NET [Abstract]

	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

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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