Acrobat Reader detec

<SCRIPT LANGUAGE="Javascript"><!--// detection for Netscapevar useAcrobat = navigator.mimeTypes &&navigator.mimeTypes["application/pdf"]//--></SCRIPT>...<SCRIPT LANGUAGE="VBScript"><!--   on error resume next   useAcrobat = not IsNull(CreateObject("AcroExch.Document"))   '                can be CreateObject("PDF.PdfCtrl.1") too!//--></SCRIPT><SCRIPT><!--   if (useAcrobat)      document.write("Acrobat reader ok");   else      document.write("Acrobat reader not found");//--></SCRIPT>