var myPlugin =navigator.plugins["Shockwave"];
if (myPlugin)
document.writeln("你已經安裝了Shockwave!")
else
document.writeln("你尚未安裝Shockwave!")
// -->
</script>
<script LANGUAGE="JavaScript">
<!--
var myPlugin =navigator.plugins["Quicktime"];
if (myPlugin)
document.writeln("你已經安裝了Quicktime!")
else
document.writeln("你尚未安裝Quicktime!")
// -->
</script>