求大神看看代码，实在是找不出来哪里错了
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>我们互动下</title>
<script type="text/javasricpt">
function jump()
{
var mymessage=confirm("关注js高级篇");
if(mymessage==true){
document.write("继续加油");
}
else{
document.write("jiayou");
}
}
</script>
</head>
<body>
<p id="con">JS进阶篇</p>
<form>
<input type="button" onclick="jump()" value="点击进入"/>
</form>
</body>
</html>
