function setSum() {
	num1 = (Math.round((Math.random()*5)+1))
	document.getElementById('first').innerHTML=num1;
	num2 = (Math.round((Math.random()*5)+1))
	document.getElementById('second').innerHTML=num2;
	sum = num1 + num2;
}
function confirm() {
var entered = document.getElementById('code').value;
	if (entered == sum) {
		document.getElementById("confirmed").innerHTML="<img src='images/tick_20.png' alt='correct' id='sumcorrect' />";
	}
	else if (entered != sum) {
		document.getElementById("confirmed").innerHTML="";
	}
}