thanks Ed, I'll look it up.... I kind of tried something similar but never worked in my hands. I'll give it another try! By the way, the address of my house is 107 Ardsley Drive Dewitt 13214, NY. See you on Saturday 10 or so. Give me a call if you have problems 315 657 4805 Gino *********************************************************** Gino Cingolani, Ph.D. Assistant Professor Dept. of Biochemistry and Molecular Biology SUNY Upstate Medical University 750 E. Adams Street, Syracuse, NY, 13210 Tel. (315) 464 8744 Fax. (315) 464 8750 Email: [email protected] *********************************************************** "Nati non foste per viver come bruti, ma per seguir virtute e conoscenza" ("You were not born to live like brutes, but to follow virtue and knowledge") Dante, The Divine Comedy (Inferno, XXVI, vv. 119-120)