function contactval(theform) {
	thereturn = true;
	if (document.getElementById('sender').value=="") {
		thereturn = false;
		alert('You must enter your name');
	}
	if (document.getElementById('telephone').value=="") {
		thereturn = false;
		alert('You must enter your telephone number');
	}
	if (document.getElementById('email').value=="") {
		thereturn = false;
		alert('You must enter your email address');
	}
	return thereturn;
}

function recommendval(theform) {
	thereturn = true;
	if (document.getElementById('yourname').value=="") {
		thereturn = false;
		alert('You must enter your name');
	}
	if (document.getElementById('youremail').value=="") {
		thereturn = false;
		alert('You must enter your email address');
	}
	if (document.getElementById('friendname').value=="") {
		thereturn = false;
		alert('You must enter your friend\'s name');
	}
	if (document.getElementById('friendemail').value=="") {
		thereturn = false;
		alert('You must enter your friend\'s email address');
	}
	return thereturn;
}