var cards = new Array("Circle", "Cross", "Square", "Star", "Waves")
var correctAnswers = 0
var guesses = 0
function runTest(cardName){
	guesses++
	document.getElementById("guessesCell").innerHTML = guesses
	var correctAnswer = cards[answer=Math.floor(Math.random()*5)]
	if (correctAnswer==cardName){
		document.getElementById("answerCell").innerHTML = "You are correct, the answer is: "+correctAnswer
		correctAnswers++
		document.getElementById("correctCell").innerHTML = correctAnswers
	}
	else {
		document.getElementById("answerCell").innerHTML = "Try again, the answer is: "+correctAnswer
	}
	document.getElementById("percentCell").innerHTML = Math.floor(correctAnswers/guesses * 100) +"%"
}

function score(){
	a = .16 * guesses;
	b = Math.sqrt(a);
	c = guesses * .2 ;
	d = correctAnswers - c ;
	e =(d/b) ;
	f = Math.abs(e);
	g = (Math.floor((f+0.5)*100)/100)
	if(f<=1.96)
		document.getElementById("scoreCell").innerHTML = "Your score of " +g+ " does not indicate psychic ability.";
	else if(f>1.96 && f<=2.58)
		document.getElementById("scoreCell").innerHTML = "Your score of " +g+ " indicates slight psychic ability." ;
	else if (f>2.58 && f<=3.00)
		document.getElementById("scoreCell").innerHTML = "Your score of " +g+ " indicates significant psychic ability" ;
	else if (f>3.00)
		document.getElementById("scoreCell").innerHTML = "Your score of " +g+ " indicates very significant psychic ability" ;
}

function reset(){
	correctAnswers = 0
	guesses = 0
	document.getElementById("answerCell").innerHTML = ""
	document.getElementById("guessesCell").innerHTML = ""
	document.getElementById("correctCell").innerHTML = ""
	document.getElementById("percentCell").innerHTML = ""
	document.getElementById("scoreCell").innerHTML = ""
}

function showInstructions(){
	window.open("instructions.html","newWin","scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,width=400,height=160");
}