function calculate() {
	var loanAmount = document.getElementById('loanAmount').value;
	var loanTerm = document.getElementById('loanTerm').value * 12;
	var interestRate = document.getElementById('interestRate').value;
	
	var interest = (loanAmount / loanTerm) / 100 * interestRate;
	var repayment = (loanAmount / loanTerm) + interest;
	
	var output = '';
	var results = document.getElementById('results');
	
	output = '<strong>Estimated Repayments</strong> <br />';
	output += 'The estimated repayments for a mortgage of &euro;' + loanAmount + ' over a period of ' + loanTerm / 12 + ' years ';
	output += 'at ' + interestRate + '% interest would be <strong>&euro;' + Math.round(repayment) + ' per month.</strong>';
	
	results.innerHTML = output;
	
	return false;
}