Create a button that contains a hyperlink to another page. When a visitor mouses over it, the button can change color, display a picture, or play a sound effect.

• 创建包含另一网页超链接的按钮。当访问者将鼠标放置在它上面时，按钮颜色发生变化，并显示出一幅图片或播放声音效果。