It just takes the selected value from the list and makes that the background color. This script uses 15 pre-determined background colors and then randomly chooses one. This is a great effect if you know what background colors don't interfere with the text on your page. Then, you can make them the 15 pre-determined background colors. This script is another neat way to spice up your webpage with JavaScript.
Visitors just type their favorite color in the box and click a button.
Very funny, but has no real use. This effect, however, is over-used. A JavaScript button will bring up an E-Mail Window for your users. You can also include a predefined subject if you so decide. Both methods are demonstrated.