primer walking design tool - (Jun/28/2007 )

hi all, is there any free primer software is for primer walking?

May be this online program could be useful

http://bioweb.pasteur.fr/seqanal/interfaces/primo.html

Reference:
P. Li, K. C. Kupfer, C. J. Davies, D. Burbee, G. A. Evans, and H. R. Garner. PRIMO: A primer design program that applies base quality statistics for automated large-scale DNA sequencing. Genomics 40:476-485 (1997).