<!-- 
function check_on_submit() {

	form = document.ssg_join;

	// check that name was entered
	if(form.firstname.value == "") {
		alert("Please enter your first name");
		form.firstname.focus();
		return false;
	}
	if(form.lastname.value == "") {
		alert("Please enter your last name");
		form.lastname.focus();
		return false;
	}	
	// check that email was entered
	if(form.email.value == "") {
		alert("Please enter your email address");
		form.email.focus();
		return false;
	}	
	// check that address was entered
	if(form.street_number.value == "") {
		alert("Please enter your address");
		form.street_number.focus();
		return false;
	}		
	// check that password was entered
	if(form.password.value == "") {
		alert("Please enter a password");
		form.password.focus();
		return false;
	}
}

function check_subscription_submit() {
	form = document.subscription;

	// check that name was entered
	if(form.firstname.value == "") {
		alert("Please enter your first name");
		form.firstname.focus();
		return false;
	}
	if(form.lastname.value == "") {
		alert("Please enter your last name");
		form.lastname.focus();
		return false;
	}	
	// check that email was entered
	if(form.contact_email.value == "") {
		alert("Please enter your email address");
		form.contact_email.focus();
		return false;
	}	
}


function check_registration_submit() {
	form = document.registration;

	// check that number of people was entered
	if(form.people.value == "") {
		alert("Please enter the number of people attending");
		form.people.focus();
		return false;
	}
	// check that name was entered
	if(form.firstname.value == "") {
		alert("Please enter your first name");
		form.firstname.focus();
		return false;
	}
	if(form.lastname.value == "") {
		alert("Please enter your last name");
		form.lastname.focus();
		return false;
	}	
	// check that email was entered
	if(form.contact_email.value == "") {
		alert("Please enter your email address");
		form.contact_email.focus();
		return false;
	}	
	// check that address was entered
	if(form.street_number.value == "") {
		alert("Please enter your address");
		form.street_number.focus();
		return false;
	}		
}


//-->