Selecting colour combinations to use in your web page and then knowing how to code those colours into your CSS is not the most straightforward of tasks. This form will make it slightly easier though as it allows you to enter three colours using their numerical red green and blue component values as numbers between [...]

This book wasn’t at all what I expected it to be. From what the book deals with it looks like Paypal has added lots of country specific options to what you can do and this book covers how to integrate some of these options into your own site. Read more about who I think might [...]

Doing basic field validations to limit what characters can be entered into a form field is easy to do with JavaScript even without using Regular Expressions. In this simple tutorial we look at how you can define lists of characters that are valid for fields that you can call from JavaScript attached to your form. [...]

You don’t have to use a dropdown list as the initial selection for what to populate other dropdown lists with. This page demonstrates how you can set up a dropdown list that gets populated with different entries based on which of several images is selected first. Dynamic Dropdown Box from Selected Image

When you have several drop down lists on your page you may want the content of more than one list to be determined based on the selection in another list. Here we look at how you can combine three or more lists using JavaScript so that what is selected in the first list determines what [...]

While hardly anyone used versions of IE prior to version 6 and you can fix the box model problem in IE6 and later by using a complete doctype to put the browser into standards mode which fixes the calculation, it is still worth knowing about what the IE box model problem is and how you [...]

Microsoft have finally caught up with all the other browsers in that the new version 9 of Internet Explorer now supports XHTML. It’s just a pity that IE9 will not run on Windows XP which will give people an excuse to keep running that antiquated browser known as IE8.

While the padding and borders around elements in our page are always applied separately (as in fact are left and right margins) the same is not true of adjacent top and bottom margins which can be collapsed into one another. In this tutorial we look at the rules for how margins collapse so that you [...]

Details of the classes that I will be running during term two at Liverpool (Cartwright) and Campbelltown are now available. If you live in Sydney and want to learn about computers then check out the dates for the courses that I teach in the classroom. Term Two Classes