通过以下方式加到页面中，感觉不好用啊！！高手求教啊！！
<a href="/go.html?url=javascript:void(0)" onclick="downloadPic()" id="tpdown" target="_self" ><span ><img src="https://group.zcool.com.cn/images/digest1.gif" border="0" width="27px" height="16" title="正文图片下载" /></span></a> <a href="/go.
<a href="/go.html?url=javascript:void(0)" onclick="downloadPic()" id="tpdown" target="_self" ><span ><img src="https://group.zcool.com.cn/images/digest1.gif" border="0" width="27px" height="16" title="正文图片下载" /></span></a> <a href="/go.
