固定图片刷新-刷新页面里的固定图片

<script>
function changesrc(){
var pic=document.getElementById('change');
var img='1.jpg?'+new Date;
pic.src=img;
window.setTimeout(changesrc,10000);
}
window.onload=function(){
changesrc();
}
</script>
<img src="1.jpg" id="change" />