📄 ch14-195.html
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<HTML>
<HEAD>
<TITLE>页面背景篇--背景图形</TITLE>
</HEAD>
<BODY bgcolor="#fef4d2" >
<br><br>
<center>
<h2>页面背景篇--背景图形</h2>
<hr width=300>
<br><br>
<!-- 案例代码开始 -->
<script language=JavaScript>
image_directory = "";
clear = new Image(); clear.src = image_directory + "";
pic1 = new Image(); pic1.src = image_directory + "Picture001.jpg";
pic2 = new Image(); pic2.src = image_directory + "Picture003.gif";
pic3 = new Image(); pic3.src = image_directory + "Picture002.jpg";
function imagechange(imgName) {
document.body.background = eval(imgName + ".src");
}
</script>
<!-- [Step1]: 在此能够修改图形的名称 -->
<!-- [Step2]: 这里可以设置图形的宽度和高度 -->
<a href="#" onMouseOver="imagechange('pic1');" onMouseOut="imagechange('clear');"><img src="Picture001.jpg" width=80 height=60></a>
<a href="#" onMouseOver="imagechange('pic2');" onMouseOut="imagechange('clear');"><img src="Picture003.gif" width="80" height="60"></a>
<a href="#" onMouseOver="imagechange('pic3');" onMouseOut="imagechange('clear');"><img src="Picture002.jpg" width="80" height="60"></a>
<!-- 案例代码结束 -->
</BODY>
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