var problems=[
	"Einstein got a Nobel prize for the special theory of relativity.",
	"The centrifugal force is a fictitious force."
	];
	
	var answers=["False", "True"];
	
	var expressions=[
	"Einstein got a Nobel prize for the phtoelectric effect.",
	"The centrifugal force is not a real force."
	];

window.onload=function(){
	var showp=document.getElementById("showproblems");
	
	for(var i=0; i<problems.length; i++){
		var divi=document.createElement("div");
		divi.innerHTML="<a name=\""+(i+1)+"\"><font size=\"5\">Quiz&nbsp;"+(i+1)+"</font></a>"+"<br>"+problems[i];
		
		divi.innerHTML+="<input type=\"radio\" name=\"p"+i
			+" \" onclick= \"sayRight(" +i+ ")\"/>True";
		divi.innerHTML+="<input type=\"radio\" name=\"p"+i
			+" \" onclick= \"sayWrong(" +i+ ")\"/>False"+"<br><br><br>";
		
		showp.appendChild(divi);
		
		}
		
	}

function sayRight(pnum){
 if(answers[pnum]=="True"){
 showResult(pnum, true);
}
else{
 showResult(pnum,false);
}
}

function sayWrong(pnum){
 if(answers[pnum]=="False"){
 showResult(pnum, true);
}
else{
 showResult(pnum,false);
}
}

function showResult(pnum,answer){
	var showresult=document.getElementById("showresult");
	
	var thearea=document.createElement("div");
	thearea.className="showresult";
	
	showresult.appendChild(thearea);
	
	var resultdiv=document.createElement("div");
	
	if(answer){
		resultdiv.className="good";
	}
	else{
		resultdiv.className="bad";
	}
	
	var judgement="The answer for quiz"+ (pnum+1) + " is " + answers[pnum];
	var resulttx=document.createTextNode(judgement);
	
	resultdiv.appendChild(resulttx);
	thearea.appendChild(resultdiv);
	
	var expdiv=document.createElement("div");
	var exptx=document.createTextNode("---"+expressions[pnum]);
	expdiv.appendChild(exptx);
	thearea.appendChild(expdiv);
	
}