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NJUTianJian.github.io
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draw_lots.html

<html>
<head>
	<meta charset="utf-8">
	<title>抽奖</title>
	<link rel="shortcut icon" href="img/logo.ico"/>
    <link rel="bookmark" href="img/logo.ico"/>
</head>
<body>
<script type="text/javascript">
var avg = [];
for(var i=1;i<=250;i++){
	avg.push(i);
}
//var vip = [1, 2, 3];
var tst = avg;
/*for(var i=0;i<3;i++){
	tst = tst.concat(vip);
}*/
var ctrl;
function gameStart(){
	ctrl = setInterval(function(){myTimer()},50);
}
function myTimer(){
	document.getElementById("demo").innerHTML = tst[parseInt(Math.random()*tst.length)];
}
function gameStop(){
	clearInterval(ctrl);
}
</script>
<br><br><br>
<h1 id="demo" style="text-align:center;font-size:50px;">Ready?</h1>
<p style="text-align:center">
	<a onclick="gameStart()" class="a_demo_two" href="#">
		Start
    </a>
	&ensp;&ensp;&ensp;&ensp;
	<a onclick="gameStop()" class="a_demo_two" href="#">
		Stop
	</a>
<p>
</body>
<style>
.a_demo_two {
	background-color:#3bb3e0;
	padding:10px;
	position:relative;
	font-family: 'Open Sans', sans-serif;
	font-size:12px;
	text-decoration:none;
	color:#fff;
	background-image: linear-gradient(bottom, rgb(44,160,202) 0%, rgb(62,184,229) 100%);
	background-image: -o-linear-gradient(bottom, rgb(44,160,202) 0%, rgb(62,184,229) 100%);
	background-image: -moz-linear-gradient(bottom, rgb(44,160,202) 0%, rgb(62,184,229) 100%);
	background-image: -webkit-linear-gradient(bottom, rgb(44,160,202) 0%, rgb(62,184,229) 100%);
	background-image: -ms-linear-gradient(bottom, rgb(44,160,202) 0%, rgb(62,184,229) 100%);
	background-image: -webkit-gradient(
	linear,
	left bottom,
	left top,
	color-stop(0, rgb(44,160,202)),
	color-stop(1, rgb(62,184,229))
	);
	-webkit-box-shadow: inset 0px 1px 0px #7fd2f1, 0px 6px 0px #156785;
	-moz-box-shadow: inset 0px 1px 0px #7fd2f1, 0px 6px 0px #156785;
	-o-box-shadow: inset 0px 1px 0px #7fd2f1, 0px 6px 0px #156785;
	box-shadow: inset 0px 1px 0px #7fd2f1, 0px 6px 0px #156785;
	-webkit-border-radius: 5px;
	-moz-border-radius: 5px;
	-o-border-radius: 5px;
	border-radius: 5px;
}

.a_demo_two::before {
	background-color:#072239;
	content:"";
	display:block;
	position:absolute;
	width:100%;
	height:100%;
	padding-left:2px;
	padding-right:2px;
	padding-bottom:4px;
	left:-2px;
	top:5px;
	z-index:-1;
	-webkit-border-radius: 6px;
	-moz-border-radius: 6px;
	-o-border-radius: 6px;
	border-radius: 6px;
	-webkit-box-shadow: 0px 1px 0px #fff;
	-moz-box-shadow: 0px 1px 0px #fff;
	-o-box-shadow: 0px 1px 0px #fff;
	box-shadow: 0px 1px 0px #fff;
}

.a_demo_two:active {
	color:#156785;
	text-shadow: 0px 1px 1px rgba(255,255,255,0.3);
	background:rgb(44,160,202);
	-webkit-box-shadow: inset 0px 1px 0px #7fd2f1, inset 0px -1px 0px #156785;
	-moz-box-shadow: inset 0px 1px 0px #7fd2f1, inset 0px -1px 0px #156785;
	-o-box-shadow: inset 0px 1px 0px #7fd2f1, inset 0px -1px 0px #156785;
	box-shadow: inset 0px 1px 0px #7fd2f1, inset 0px -1px 0px #156785;
	top:7px;
}

.a_demo_two:active::before {
	top:-2px;
}
</style>
</html>