function CountDown() {
$("#btn").attr("disabled", true);
$("#btn").val("Please wait " + count + " seconds!");
if (count == 0) {
$("#btn").val("Submit").removeAttr("disabled");
clearInterval(countdown);
}
count--;
}
})
});
</script>
</head>
<body>
<input type="button" id="btn" value="Submit" />
</body>
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