// Subscription scripts

function subscribe(type) {
	if (type == true) {
		var action = 'subscribe';
	} else {
		var action = 'unsubscribe';
	}
	var emailAddress = document.getElementById('subadd').value;
	var atPos = emailAddress.indexOf('@');
	var dotPos = emailAddress.lastIndexOf('.');
	
	if (emailAddress == '') {
		alert('Please type your email address into the "Your E-Mail" field before clicking ' + action + '.');
	} else if ((atPos <= 0) || (dotPos <= atPos)) {
		alert('Please enter a valid email address before clicking ' + action + '.');
	} else {
		document.getElementById('subscribeform').pageloc.value = document.URL;
		document.getElementById('subscribeform').whichsub.value = action;
		document.getElementById('subscribeform').action = "subscription_send.php";
		document.getElementById('subscribeform').submit();
	}
	
}