页面刷新按钮
<head>
<title>标题页</title>
<SCRIPT LANGUAGE="JavaScript">
function renovates(){
document.location.reload();
}
</script>
</head>
<body onLoad="alert('页面刷新了!');">
<p align="center"><input type="button" name="renovates" value="刷新" onClick="renovates()"/></p>
</body>
</html>