SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2012

SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Schedule of Annual Depreciation Rates

	Percentage
Computers and peripheral equipment	20% - 33% (mainly 33)
Office furniture and equipment	10% - 20% (mainly 15)
Leasehold improvements	Over the shorter of the related lease period or the life of the asset

Summary of Fair Value Assumptions

	2012	2011	2010
Dividend yield	0%	0%	0%
Expected volatility	127%	129%	127%
Risk-free interest	0.56%	1.03%	1.84%
Expected life (in years)	4	4	4