function validateEmail(email,Message) {
	//alert(email);
	if ((email=='') || (email==undefined) || (email.search(/^[A-z0-9._-]+@[A-z0-9][A-z0-9-]*(.[A-z0-9_-]+)*.([A-z]{2,6})$/) == -1)) {
		alert(Message);
		return false;
	}else{
		window.document.subscription.submit();	
	}
}

function menuShow(ItemID) {
	var MenuItem = document.getElementById(ItemID);
	if (MenuItem) {
		MenuItem.style.display = 'block';	
	}
}

function menuHide(ItemID) {
	var MenuItem = document.getElementById(ItemID);
	if (MenuItem) {
		MenuItem.style.display = 'none';
	}
}