// JavaScript Document

//This function is called in <form onsubmit="return validate(this)

function validate(form) {var e = form.elements, m = '';
    if(!e['name'].value) {m += 'A contact name is required.\n';}
	if(!e['telno'].value) {m += 'A telephone number is required.\n';}
	if(!e['details'].value) {m += 'Some details are required.\n';}
	if(!/.+@[^.]+(\.[^.]+)+/.test(e['email'].value)) {

		m += 'An email address is required.\n';	
	}
	
	if(m) {
		alert('The following error(s) occurred:\n\n' + m);
		return false;
	}

	return true;
}