html 瓜分图片

html 分割图片
票据系统的分割图片
login_c.jsp
<td height="10"><img src="<%=request.getContextPath()%>/loginImg/dl.gif" width="81" height="22" border="0" usemap="#Map"></td>

<map name="Map">
        <area shape="rect" coords="3,3,36,19" href="#" onclick="submitForm()">
        <area shape="rect" coords="40,3,78,18" href="#" onclick="resetForm()">
</map>

http://qiuye.javaeye.com/blog/340739