Tight on space? Use this JavaScript to create a compact form that is accessible and works even when JavaScript and CSS are turned off.

If this JavaScript is implemented into your web pages, then everytime visitors move mouse out the body of web pages, it will show a divison to show your major info.

Use this JavaScript to target which files you will include on a designated Web page. Easy to set-up and use.

Implement this JavaScript into your web pages to make all links change color by themself on mouse over event. Colors defined by an array with hexadecimal value, clrArray, you can change and add colors easily. All you need to do is cope all JavaScript code and paste into your web pages, you should save them into a file for using this effect on many pages.

This JavaScript uses regular expressions to check that a string contains a valid email address. Note that it won't catch all invalid emails, like most similar scripts. However, for most intents and purposes, this JavaScript should serve its purpose well, by rejecting common email typos while leaving room for obscure yet valid emails to pass.

If you're looking for a 216 web safe color chart, you've come to the right place. However, before reviewing the chart, you may be interested in learning a little bit about the 216 web safe colors. Netscape specified 216 colors that have precedence in web browsers based on the 256 colors displayed within an 8-bit system. As 40 colors displayed differently between PCs and MACs, they were eliminated. These 216 colors, known as web safe colors, are recognized by all web browsers and operating systems, which means these colors will look about the same within any browser.

Customize Dropdown Menu is designed to display some choices, as: languages, countries, themes,... but it's differrent from original version in browsers. This tool combine CSS and JavaScript to create a dropdown you can add image to tilte, every choice.

Version 2: check if JavaScript is disabled, then add normal dropdown menu

Let's try dropdown below and feel differences.
Tested: IE 7, Opera 9, Firefox 2, Netscape 8.

This color picker will help you fine tune the hex color codes for your web page. First choose whether you wish to play with the Background Color, Text Color, Link Color, Visited Link Color, Active Link Color or Hover Color and check the appropriate round radio button.

Hover over the wheel to view colors. Click to choose a web-smart color. Reload to clear.

This JavaScript will help you calculate your training heart rate. That figure is used to determine the target zone for aerobic training.