Hello all: It is a daft question. What is the gray color representing on the graph? nice day Suzy -- Unsubscribe mailto:smokeping-users-request@list.ee.ethz.ch?subject=unsubscribe Help mailto:smokeping-users-request@list.ee.ethz.ch?subject=help Archive http://www.ee.ethz.ch/~slist/smokeping-users WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi