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
		{
		question = quest_num+".HTM";
		parent.frames[5].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;
		split()
		}
	}
	else
	{
	quest_num--;
	if (quest_num < 1)
		{
		alert('Sorry can\'t go back...this is the first question');
		quest_num++;
		}
		else
		{
		question = quest_num+".HTM";
		parent.frames[5].location=question
		window.parent.frames[1].document.Number.Q.value=quest_num;
		split()
		}
	}
 
}




function split()
{
if (quest_num < 26)
	{
	parent.frames[3].location="SPECNAV2.HTM";
	}
	else
	{
//	parent.frames[3].location="SPECNAV3.HTM";
	parent.frames[3].location="SPECNAV2.HTM";
	}
}
      
 
 
 
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;     
		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
		split()
		}
	}
}

 
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";
currentLitImage = 0;
}