I made my plot PNGs transparent. For some reason this works in Firefox but not in Internet Explorer. Anyone know why? chris --=20 _______________________________________ Christian Seberino, Ph.D. SPAWAR Systems Center San Diego Code 2872 49258 Mills Street, Room 158 San Diego, CA 92152-5385 U.S.A. Phone: (619) 553-9973 Fax : (619) 553-0804 Email: seb...@sp... _______________________________________