// JavaScript Document
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function quizCheck()
{ 
var answer1="";
var answer2="";
var answer3="";
var answer4="";
var phrase1 = "";
var phrase2 = "";
var phrase3 = "";
var phrase4 = "";
var score = 0;
if (document.test.button1[0].checked == true) 
	{phrase1="The top quark was observed in 1995<br>";
	answer1=document.test.button1[0].value;}
else
if (document.test.button1[1].checked == true) 
	{phrase1="The graviton is not predicted by the Standard Model. The Standard Model does not describe the gravitational force. That's why people work on string theory.<br>";
	answer1=document.test.button1[1].value;}
else
if (document.test.button1[2].checked == true) 
	{phrase1="Correct. The Higgs boson is the only particle of the Standard Model of particle physics to elude discovery so far. It's very hard to detect. Perhaps the next generation of accelerator experiments will find it.<br>";
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	score++;}
else {phrase1="You didn't answer Question 1.<br>"}
	
if (document.test.button2[0].checked == true) 
	{phrase2="Correct. Experiments also indicate that there aren't any additional kinds of neutrinos beyond the three kinds of neutrinos already observed.<br><br>";
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	score++;}
else
if (document.test.button2[1].checked == true) 
	{phrase2="The three kinds of neutrinos are called the electron, muon and tau neutrinos.<br>";
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	{phrase2="The three kinds of neutrinos are called the electron, muon and tau neutrinos.<br>";
	answer2=document.test.button2[2].value;}
else {phrase2="You didn't answer Question 2.<br>"}

if (document.test.button3[0].checked == true) 
	{phrase3="Existing and reasonably foreseeable future technology will not allow us to do particle scattering at the Planck scale.<br>";
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if (document.test.button3[1].checked == true) 
	{phrase3="The Hubble Telescope has shown us a lot of things about the early Universe, but we can't see farther back than early galactic clusters, where string theory is not relevant.<br>";
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if (document.test.button3[2].checked == true) 
	{phrase3="Correct. The search for supersymmetry over the next ten years could tell us whether (or not) string theory is viable description of Nature.<br>";
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	score++;}
else {phrase3="You didn't answer Question 3.<br>"}

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	{phrase4="The Higgs boson is a feature of the Standard Model of particle physics, it should exist even without supersymmetry.<br>";
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	{phrase4="This is only one half of a symmetry.<br>";
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	{phrase4="Correct. And in addition to each known fermion and boson having a superpartner, there could also be new types of particles and superpartners to find.<br>";
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else {phrase4="You didn't answer Question 4.<br>"}

document.open();
document.writeln("<center><table width=450 border=0><tr><td>");
document.writeln("<font color=#000099><center><h3>Quiz results</h3></center>");
document.writeln("Your score is "+score+" out of 4. <br><br>");
document.writeln("<b>Question 1:</b> Which elementary particle predicted by the Standard Model hasn't been observed yet?");
document.writeln("<br><b>You answered:</b> ");
document.writeln(answer1);
document.writeln("<br><b>Reply:</b> ");
document.writeln(phrase1);
document.writeln("<br><br><b>Question 2:</b> How many different kinds of neutrinos have been observed by particle physicists?");
document.writeln("<br><b>You answered:</b> ");
document.writeln(answer2);
document.writeln("<br><b>Reply:</b> ");
document.writeln(phrase2);
document.writeln("<br><br><b>Question 3:</b> What is currently the best hope for testing the predictions of string theory?");
document.writeln("<br><b>You answered:</b> ");
document.writeln(answer3);
document.writeln("<br><b>Reply:</b> ");
document.writeln(phrase3);
document.writeln("<br><br><b>Question 4:</b> If supersymmetry does exist, then what should particle physicists eventually find in particle scattering experiments?");
document.writeln("<br><b>You answered:</b> ");
document.writeln(answer4);
document.writeln("<br><b>Reply:</b> ");
document.writeln(phrase4);
document.writeln("<br><br>");
document.writeln('<center><a href="exquiz.html" target="_self">Take the quiz again</a></center>');
document.writeln("<br><br>");

document.writeln("</font></td></tr></table></center>");
document.close();
}
//-->