<script language="javascript">
function change()
{
var img =document.getElementById("safeCode");
img.src=img.src+"?"+Math.random;
}
</script>
<img id=safeCode src="servlet/AuthImage"><a href="javascript:change();">看不清,换一张</a>
function change()
{
var img =document.getElementById("safeCode");
img.src=img.src+"?"+Math.random;
}
</script>
<img id=safeCode src="servlet/AuthImage"><a href="javascript:change();">看不清,换一张</a>