<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title> frameset, frame, noframes tags </title> </head> <frameset cols="25%,*,25%"> <frame src="frame_a.htm"> <frame src="frame_b.htm"> <frame src="frame_c.htm"> </frameset> <noframes> frameset, frame not supported </noframes> </html>