Colours and drop-down list boxes

This script will utilise properties of the document object to change the colour of the window as the user pleases. We will introduce drop-down list boxes as a useful way of letting the user select one of several pre-defined options. 
<form name="myForm">
  Set the background colour to
  <select name="background">
    <option value="blue">blue
    <option value="black">black
    <option value="yellow">yellow
    <option value="white">white
  </select><br>
  Set the foreground colour to
  <select name="foreground">
    <option value="blue">blue
    <option value="black">black
    <option value="yellow">yellow
    <option value="white">white
  </select><br>
  <input type="button" value="Make it so" onClick="{document.bgColor=myForm.background.value;document.fgColor=myForm.foreground.value;}">
</form>
The code is implemented below:

Set the background colour to
Set the foreground colour to