<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><DIV></DIV>Many thanks to everyone who has responded to this thread, or might do so - I now have several very useful pointers.<DIV><BR class="khtml-block-placeholder"></DIV><DIV>Regards to all - Nick<BR><DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Verdana; font-size: 11px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Verdana; font-size: 11px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><P style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Verdana; ; font-size: 10px; "><BR class="khtml-block-placeholder"></P><P style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Verdana; ; font-size: 10px; "><BR class="khtml-block-placeholder"></P><P style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Verdana; ; font-size: 10px; "><SPAN class="Apple-style-span" style="font-size: 10px; "><SPAN class="Apple-style-span" style="font-size: 10px; ">-- </SPAN></SPAN></P><P style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Verdana; min-height: 12px; ; font-size: 10px; "><BR style="; font-size: 10px; "></P><P style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Verdana; ; font-size: 10px; "><SPAN class="Apple-style-span" style="font-size: 10px; "><SPAN class="Apple-style-span" style="font-size: 10px; ">Nicholas J A Sanders</SPAN></SPAN></P><P style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Verdana; ; font-size: 10px; "><SPAN class="Apple-style-span" style="font-size: 10px; "><SPAN class="Apple-style-span" style="font-size: 10px; ">_____________________</SPAN></SPAN></P><P style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Verdana; ; font-size: 10px; "><B style="font-size: 10px; font-weight: bold; "><I style="font-size: 10px; font-style: italic; font-weight: bold; "><SPAN class="Apple-style-span" style="font-size: 10px; font-style: italic; font-weight: bold; "><SPAN class="Apple-style-span" style="font-size: 10px; font-style: italic; font-weight: bold; ">semiotek</SPAN></SPAN></I></B></P><P style="margin: 0.0px 0.0px 0.0px 0.0px; font: 10.0px Verdana; font-size: 10px; "><B style="font-size: 10px; font-weight: bold; "><I style="font-size: 10px; font-style: italic; font-weight: bold; "><BR class="khtml-block-placeholder"></I></B></P><P style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Verdana; ; font-size: 10px; "><SPAN class="Apple-style-span" style="font-size: 10px; "><SPAN class="Apple-style-span" style="font-size: 10px; ">T: +44 [0]7092 153 409</SPAN></SPAN></P><P style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Verdana; ; font-size: 10px; "><FONT class="Apple-style-span" face="Arial" size="3"><SPAN class="Apple-style-span" style="font-size: 10.5px;; font-family: Arial; "></SPAN></FONT></P><P style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Verdana; ; font-size: 10px; "><SPAN class="Apple-style-span" style="font-size: 10px; "><SPAN class="Apple-style-span" style="font-size: 10px; "><A href="mailto:nick@semiotek.org">nick@semiotek.org</A></SPAN></SPAN></P><P style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Verdana; ; font-size: 10px; "><SPAN class="Apple-style-span" style="font-size: 10px; "><SPAN class="Apple-style-span" style="font-size: 10px; ">_____________________</SPAN></SPAN></P><BR class="Apple-interchange-newline"></SPAN></SPAN> </DIV><BR></DIV></BODY></HTML>