I couldn't agree with Jon more. Why to fix something that works? Magaly Magaly Rincon-Zachary Dept. of Biology Midwestern State University 3410 Taft Blvd. Wichita Falls, TX 76308 Ph: (940) 397-4254 Fax: (940) 397-4442 e-mail frinconm at nexus.mwsu.edu