<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=US-ASCII"> <META content="MSHTML 6.00.2900.2963" name=GENERATOR></HEAD> <BODY id=role_body style="FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Arial" bottomMargin=7 leftMargin=7 topMargin=7 rightMargin=7><FONT id=role_document face=Arial color=#000000 size=2> <DIV> <DIV><STRONG><EM>  Jd Thanks</EM></STRONG></DIV> <DIV><STRONG><EM>  I agree.  Or as we say in the states....a picture is worth a thousand words. I bet were saying the same thing.</EM></STRONG></DIV> <DIV><STRONG><EM>  Cheers</EM></STRONG></DIV> <DIV><STRONG><EM>  Dale Erwin</EM></STRONG></DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"><FONT style="BACKGROUND-COLOR: transparent" face=Arial color=#000000 size=2><BR>A few drawings with explanations are far more useful than an endless <BR>discussion without any real data or illustration -- far too common a <BR>phenomenon on this list.<BR><BR>JD</FONT></BLOCKQUOTE></DIV> <DIV></DIV> <DIV> </DIV></FONT></BODY></HTML>