/* JavaScript本体 */
QuestionNumber=5;

Question=new Array(QuestionNumber);
Question[000]=new Array(
	'1+1=',
	'5,2,1,3',
	'1'
);

Question[001]=new Array(
	'2+2=',
	'2,3,4,1',
	'2'
);

Question[002]=new Array(
	'3+3=',
	'7,5,11,6',
	'3'
);

Question[003]=new Array(
	'4+4=',
	'8,5,7,15',
	'0'
);

Question[004]=new Array(
	'5+5=',
	'0,10,9,12',
	'1'
);

for(A in Question)
{
	Question[A][1]=Question[A][1].split(",");
};


flag=0;
Reset1();

function Q_A4_out()
{
	if(flag1==1)
	{
		if(document.form2.radio1[Question[Qcount][2]].checked)
		{
			document.form2.text12.value="正解";
			Point++;
		}else{
			document.form2.text12.value="不正解　正解は"+Question[Qcount][1][(Question[Qcount][2])];
		};

		document.form2.radio1[Question[Qcount][2]].checked=false;
		Qcount++;
		document.form2.text10.value="現在の正答率"+Math.round((Point/Qcount)*100)+"%　残り"+(QuestionNumber-Qcount)+"問";

		if(Qcount == QuestionNumber)
		{
			Reset1();
			alert("end");
		};

	}else if(flag1==0){
		flag1=1;
		document.form2.button1.value = "Next";
		document.form2.text10.value="";
		document.form2.text12.value="";
	};

	if(flag1==1) Q_A4_in();
};

function Q_A4_in()
{
	document.form2.TextOut.value=Question[Qcount][0];
	document.form2.text1.value=Question[Qcount][1][0];
	document.form2.text2.value=Question[Qcount][1][1];
	document.form2.text3.value=Question[Qcount][1][2];
	document.form2.text4.value=Question[Qcount][1][3];
};

function Reset1()
{
	Qcount=0;
	flag1=0;
	Point=0;

	for(i=0;i<100;i++)
	{
		Q1=Math.floor(Math.random() * (QuestionNumber-1));
		Q2=Math.floor(Math.random() * (QuestionNumber-1));
		BackUp=Question[Q1];
		Question[Q1]=Question[Q2];
		Question[Q2]=BackUp;
	};

	document.form2.TextOut.value="";
	document.form2.text1.value="";
	document.form2.text2.value="";
	document.form2.text3.value="";
	document.form2.text4.value="";

	document.form2.button1.value="Start";
};



/* HTML フォーム部*/
<form name="form2">
	<textarea name="TextOut" cols="50" rows="10"></textarea><br /><br />

	1<input type="radio" name="radio1"><input type="text" size="60" name="text1"><br />
	2<input type="radio" name="radio1"><input type="text" size="60" name="text2"><br />
	3<input type="radio" name="radio1"><input type="text" size="60" name="text3"><br />
	4<input type="radio" name="radio1"><input type="text" size="60" name="text4"><br /><br />

	<input type="text" size="60" name="text12"><br>
	<input type="text" size="60" name="text10"><br>

	<input type="button" name="button1" value="Start" onClick="Q_A4_out()">
	<input type="reset" name="button2" value="Reset" onClick="Reset1()">
</form>