<html>
<head>
<script>
var w;
var timer;
function win(obj) {
obj.disabled=true;
w = window.open(‘xjpwb五笔.zip‘,"","toolbar=no, location=no, directories=no, status=no, menubar=no");
timer = window.setInterval(‘ifWinClosed()‘,800);
}
function ifWinClosed(){
if(w.closed == true){
document.getElementById("click").disabled = false;
window.clearInterval(timer);
}
}
</script>
</head>
<body>
<input type="button" name="click" value="click" id="click" onclick="win(this);" />
</body>
</html>原文：http://blog.csdn.net/paulmin/article/details/20080089