JavaScript实现鼠标悬停图片切换效果

<html>
<head>
<title>Swap Images with onMouseOver and onMouseOut</title>
</head>
<body bgcolor="#FFFFCC" text="#3300FF">
<CENTER>
<FORM NAME = form1>
<H2>
Move the mouse across to swap the image ...
</H2>
<A HREF="" name= link1 
onMouseOver = "ImgOver()" onMouseOut = "ImgOut()">
  <IMG NAME = "IMG1" 
  SRC = "images/follow.jpg" WIDTH = 800 HEIGHT = 600>
</A>
</CENTER>
<SCRIPT LANGUAGE= JavaScript>
function ImgOver()
{
 // use an image file you have or use one of XP's wallpaper
 document.form1.IMG1.src = 'images/home.jpg';
}
function ImgOut()
{
 // use an image file you have or use one of XP's wallpaper
 document.form1.IMG1.src = 'images/follow.jpg';
}
</SCRIPT>
</body>
</html>