Determine if Adobe Reader is installed

[youngboy]

Is there any way to determine if Adobe Reader is installed on the client machine?

I'd like to do this w/o any third party controls.

Thanks in advance!!!

[mendhak]

<SCRIPT LANGUAGE="VBScript">
   on error resume next
   useAcrobat = not IsNull(CreateObject("AcroExch.Document"))
   '                or CreateObject("PDF.PdfCtrl.1")

</SCRIPT>

<SCRIPT>
<!--
   if (useAcrobat)
      document.write("Acrobat installed");
   else
      document.write("Acrobat not installed");
//-->
</SCRIPT>