Thanks James, Just tried this and it worked perfectly. I found that I had to use a CDEF to turn the datasources into percentages first , then cycle through 0..100 and do as you instructed.
Very happy now :o) Allan. -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://www.ee.ethz.ch/~slist/rrd-users WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi