a1v = 0;
a2v = 0;
a3v = 0;
function check() {
	
	//Parse Answers //
	
	var a1 = document.getElementById("a1");
	var a1x = document.getElementById("a1-x");
	a1v = parseFloat(a1.value);
	
	
	var a2 = document.getElementById("a2");
	var a2x = document.getElementById("a2-x");
	a2v = parseFloat(a2.value);
	
		
	var a3 = document.getElementById("a3");
	var a3x = document.getElementById("a3-x");
	a3v = parseFloat(a3.value);
	
		

	
	
	//Check Answers //
	
	
	var cor = 0;
var inc = 0;
	if (a1v != 20) {a1ev = false;a1x.innerHTML = '<span class="i">' +a1v+ ' is incorrect. Please try again.</span>';inc++}
		else {a1ev = true;a1x.innerHTML = '<span class="c">' +a1v+ ' is correct! Great Job!</span>';cor++}
		
	if (a2v != 84) {a2ev = false;a2x.innerHTML = '<span class="i">' +a2v+ ' is incorrect. Please try again.</span>';inc++}
		else {a2ev = true;a2x.innerHTML = '<span class="c">' +a2v+ ' is correct! Great Job!</span>';cor++}
		
	if (a3v != 3.75) {a3ev = false;a3x.innerHTML = '<span class="i">' +a3v+ ' is incorrect. Please try again.</span>';inc++}
		else {a3ev = true;a3x.innerHTML = '<span class="c">' +a3v+ ' is correct! Great Job!</span>';cor++}
		

var evalu = document.getElementById("evalu");
if (cor <= 2) {evalu.innerHTML = '<span class="i">You missed ' +inc+ ' problems.<br />Please check your work below and try again.</span>'}
else if (cor = 3) {evalu.innerHTML = '<span class="c">Congratuations! <br />All of your answers are correct!<br /><img src="../i/kids_finn_gil_thanks.gif" alt="Thanks from Gil!" /></span> '}
else {};
	
	//Make sure answers are nums//
	
	error = '<span class="i">&raquo; Please enter a whole decimal (no symbols or letters please) for Question ';
errorend = '</span>'
if (isNaN(a1v)) 
	{a1x.innerHTML = error + 1 + errorend} 
	else {}
if (isNaN(a2v)) 
	{a2x.innerHTML = error + 2 + errorend} 
	else {}
if (isNaN(a3v)) 
	{a3x.innerHTML = error + 3 + errorend} 
	else {}
}