请高手指点：如何打印网页上的图片？

Question

<iframe id="frame1" style="display:none"></iframe>
<script>
var n=0;
function go(url){
n==0?new function(){frames("frame1").location=url,n=1}:null;
document.all("frame1").readyState!="complete"?setTimeout(go,10):so();
function so(){frames("frame1").window.print(),n=0};
}
</script>
<img src="img1.jpg" onclick="go(src)">

Answer 1

<script>
var a
</script>
<img src="" onclick="a=window.open(this.src);a.document.execCommand('print')">

Answer 2

必须在同一domain:<script>
var a
</script>
<img style="cursor:hand" src="http://expert.csdn.net/images/csdn.gif" onclick="a=window.open(this.src);a.document.execCommand('Print');a.close()">