var answers=new Array();
// answer key below
// 0=true 1=false
answers[1]=1;
answers[2]=1;
answers[3]=1;
answers[4]=1;
answers[5]=1;
answers[6]=0;
answers[7]=1;
answers[8]=0;
answers[9]=1;
answers[10]=1;
answers[11]=1;
answers[12]=1;
answers[13]=1;
answers[14]=1;
answers[15]=1;
answers[16]=1;
answers[17]=1;
answers[18]=1;
answers[19]=1;
answers[20]=0;
answers[21]=0;
answers[22]=0;
answers[23]=1;
answers[24]=1;
answers[25]=1;
answers[26]=0;
answers[27]=0;
answers[28]=1;
answers[29]=1;
answers[30]=1;

vQuestions = answers.length-1;

function totalScore() {
	vScore=0;
	for (var i=1; i <= vQuestions; i++) {
	   for (var x=0; x < document.quiz["q"+i].length; x++)
			if (document.quiz["q"+i][x].checked) {
	      		var rad_val = document.quiz["q"+i][x].value;
				if (rad_val == answers[i]) {
					vScore=vScore+1;
	      	}
	   }
	}
	document.quiz.score_field.value=vScore;
}