<html>
<script language=javascript>
setTimeout('window.close();',3000);
function showInfo()
{
if (window.event.button == 1)
{
alert("您好");
}
else if (window.event.button == 2)
{
alert("禁止右键");
}
}
</script>
<body onmousedown="showInfo()">
</body>
</html>


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