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For 2023 (and 2024 ...) - we are now fully retired from IT training.
We have made many, many friends over 25 years of teaching about Python, Tcl, Perl, PHP, Lua, Java, C and C++ - and MySQL, Linux and Solaris/SunOS too. Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own risk.

Lisa and I (Graham) now live in what was our training centre in Melksham - happy to meet with former delegates here - but do check ahead before coming round. We are far from inactive - rather, enjoying the times that we are retired but still healthy enough in mind and body to be active!

I am also active in many other area and still look after a lot of web sites - you can find an index ((here))
Javascript - move cursor over image to change a different image.

Let's imagine that you have an image which is a map on your web page, and as you move over the map you want another image (elsewhere on the page) to change to show the place you're pointing too. Well - it can be done with Javascript, but it's not necessarily easy to find a simple example online ... which is probably why one of my customers asked me how to do it.

Try it out at http://www.wellho.net/demo/terry2.html and see the source code at http://www.wellho.net/resources/ex.php4?item=w602/terry2.html.

If you look at the source code, you'll find a lot of repeated code - not a good idea in the long term, but it will help you see what I have done and how I have done it.

P.S. The original question wasn't about maps and places - it was about a football team and showing pictures of their favourite foods. Yes, it should work for them too!
(written 2009-04-16)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
A099 - Java Application - Deployment on the Web
  [166] Acronyms - (2005-01-02)
  [576] Why run two different web servers - (2006-01-25)
  [659] Web Application Components - (2006-03-28)
  [673] Helicopter views and tartans - (2006-04-06)
  [1621] Linux and Java Course in London - (2008-04-24)
  [2599] Telling Apache web servers apart / notes for the non-technical - (2010-01-26)
  [3891] The components of an Apache httpd / Tomcat / MySQL stack and what each does - (2012-10-13)


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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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