if (navigator.userAgent.indexOf("Macintosh") != -1) {
 
 document.write("<STYLE><!-- p {font-size: 12pt}b {font-size: 12pt}i {font-size: 12pt}p {font-size: 12pt}dl {font-size: 12pt}dd {font-size: 12pt}li {font-size: 12pt}td {font-size: 12pt}br {font-size: 12pt}dl {font-size: 12pt}dt {font-size: 12pt}H1 {font-size: 24pt}H3 {font-size: 18pt}H4 {font-size: 14pt}center {font-size: 12pt}sub {font-size: 9pt}sup {font-size: 9pt}form {font-size: 9pt}blockquote {font-size: 12pt} --></STYLE>")
 }		
 else
 {
 document.write("<STYLE><!-- p {font-size: 10pt}b {font-size: 10pt}i {font-size: 10pt}p {font-size: 10pt}dl {font-size: 10pt}dd {font-size: 10pt}li {font-size: 10pt}td {font-size: 10pt}br {font-size: 10pt}dl {font-size: 10pt}dt {font-size: 10pt}H1 {font-size: 18pt}H3 {font-size: 14pt}H4 {font-size: 12pt}center {font-size: 10pt}sub {font-size: 8pt}sup {font-size: 8pt}form {font-size: 8pt}blockquote {font-size: 10pt}--> </STYLE>")
 
 }
 
 var max_quest = 100
 
 var quest_num = 1;
 
 var currentLitImage = 0;
 
 currentLitImage = 'ANALYSIS';
 
 
 function quest(direction)
 {
    if (direction == 1) 
    {
       quest_num++;
       if (quest_num > max_quest)
       {
        alert('Sorry - Last Question');
        quest_num--;
       }
       else
       {
      parent.frames[3].location="SPECNAV2.HTM";
 	 status_message="Question Number is "+quest_num;
 	 question = quest_num+".HTM";
          parent.frames[5].location=question
 //	 question = quest_num+".HTM#BLANK";
 //         parent.frames[2].frames[1].location=question
 	 question = quest_num+".HTM#BLANK";
          parent.frames[6].location=question
 	 window.status = "Question";
      window.parent.frames[1].document.Number.Q.value=quest_num;
      
 
       } 
    }
    else
    {
       quest_num--;
       if (quest_num < 1)
       {
        alert('Sorry can\'t go back...this is the first question');
        quest_num++;
       }
       else
       {
      parent.frames[3].location="SPECNAV2.HTM";
 	 question = quest_num+".HTM";
          parent.frames[5].location=question
 //	 question = quest_num+".HTM#BLANK";
 //         parent.frames[2].frames[1].location=question
      window.parent.frames[1].document.Number.Q.value=quest_num;
       }
    }
 
 }
 
 function jump(){
 	 quest1 = window.parent.frames[1].document.Jumper.Q2.value;
 	 tester=eval(quest1)
      if (quest1 <= 0)
      {
        alert('Sorry - you must enter a positive value');
        }
        else
        {
       if (quest1 > max_quest)
       {
        alert('Sorry - there are only '+max_quest+' questions in the database');
        window.parent.frames[1].document.Jumper.Q2.value=max_quest
        }
        else
        {
              window.parent.frames[1].document.Number.Q.value=quest1;
      parent.frames[3].location="SPECNAV2.HTM";
      quest_num = quest1
 	 quest1 = quest1+".HTM";
          parent.frames[5].location=quest1
 	 quest1 = window.parent.frames[1].document.Jumper.Q2.value+".HTM#BLANK";
          parent.frames[6].location=quest1
 }
 }
 }
 
 function oops(){
      window.parent.frames[1].document.Jumper.Q2.value=1
      return true
      }
 
 
 function goTo (Spectra, NewSpectrum)
 {  
  quest_num = window.parent.frames[1].document.Number.Q.value;
  question = quest_num+".HTM#"+NewSpectrum;
          parent.frames[5].location=question;         
  Helper = quest_num+".HTM#"+"BLANK";
          parent.frames[6].location=Helper;         
   document.images [currentLitImage].src = "GIF/OFF.GIF";
   document.images [NewSpectrum].src = "GIF/ON.GIF";
   currentLitImage = NewSpectrum;
 }
 
  function goToTop (Spectra)
 {  
  quest_num = window.parent.frames[1].document.Number.Q.value;
  question = quest_num+".HTM#";
          parent.frames[5].location=question;         
  Helper = quest_num+".HTM#"+"BLANK";
          parent.frames[6].location=Helper;         
   document.images [currentLitImage].src = "GIF/OFF.GIF";
//   document.images [NewSpectrum].src = "GIF/ON.GIF";
   currentLitImage = 0;
 }