Ссылки, изменяющие цвет фона

Пример:
Red
Orange
Yellow
Green
Blue
Purple

<a href="" onMouseover="document.bgColor='red'">Red</a><br><a href="" onMouseover="document.bgColor='orange'">Orange</a><br> <a href="" onMouseover="document.bgColor='yellow'">Yellow</a><br> <a href="" onMouseover="document.bgColor='green'">Green</a><br> <a href="" onMouseover="document.bgColor='blue'">Blue</a><br> <a href="" onMouseover="document.bgColor='purple'">Purple</a><br>