function openbook()
{
	document.getElementById("catalogueopen").style.display = "block";
	document.getElementById("catalogueclosed").style.display = "none";
}

function closebook()
{
	document.getElementById("catalogueopen").style.display = "none";
	document.getElementById("catalogueclosed").style.display = "block";
}

/*function subscribenl()
{
	var email = document.getElementById("newsletter").value;
	var keeper = new sack();
	
	keeper.requestFile = "ajax/ajax_subscribe.php?email="+email;
	keeper.onCompletion = function()
	{
		document.getElementById("newslettermessage").innerHTML = keeper.response;
		document.getElementById("newsletterres").style.display = "block";
		document.getElementById("newslettersub").style.display = "none";
		document.getElementById("newsletter").value = "";
	};
	keeper.runAJAX();
}

function restorenl()
{
	document.getElementById("newsletterres").style.display = "none";
	document.getElementById("newslettersub").style.display = "block";
}

function contactsubmit()
{
	var empty = "N";
	var invalidmail = "N";
	
	if(document.getElementById("name").value=="")
		empty = "Y";
	else
		name = document.getElementById("name").value;
	if(document.getElementById("message").value=="")
		empty = "Y";
	else
		message = document.getElementById("message").value;
	
	address = document.getElementById("address").value;
	address2 = document.getElementById("address2").value;
	phone = document.getElementById("phone").value;
	subscribe = document.getElementById("subscribe").value;
	
	if(document.getElementById("email").value=="")
	{
		empty = "Y";
	}
	
	if(empty=="N")
	{
		email = document.getElementById("email").value;
		var keeper = new sack();
		keeper.requestFile = "ajax/ajax_checkemail.php?email="+email;
		keeper.onCompletion = function()
		{
			document.getElementById("errormail").style.display = "none";
			if(keeper.response=="OK")
			{
				document.getElementById("errors").style.display = "none";
				var keeper2 = new sack();
				keeper2.requestFile = "ajax/ajax_contactsubmit.php?"+
					"name="+name+"&"+
					"address="+address+"&"+
					"address2="+address2+"&"+
					"phone="+phone+"&"+
					"email="+email+"&"+
					"message="+message.replace(/\n/g,'_')+"&"+
					"subscribe="+subscribe;
				keeper2.onCompletion = function()
				{
					document.getElementById("contactsuccess").style.display = "block";
					document.getElementById("contact").style.display = "none";
					document.getElementById("name").value = "";
					document.getElementById("address").value = "";
					document.getElementById("address2").value = "";
					document.getElementById("phone").value = "";
					document.getElementById("email").value = "";
					document.getElementById("subscribe").value = "N";
					document.getElementById("checkbox_filled").style.display = "none";
					document.getElementById("checkbox_empty").style.display = "block";
					document.getElementById("message").value = "";
				};
				keeper2.runAJAX();
			}
			else
			{
				document.getElementById("errormail").style.display = "block";
			}
		};
		keeper.runAJAX();
	}
	else
	{
		document.getElementById("errors").style.display = "block";
	}
}

function ChangeCheckbox()
{
	var subscribe = document.getElementById("subscribe").value;
	if(subscribe=="N")
	{
		document.getElementById("checkbox_filled").style.display = "block";
		document.getElementById("checkbox_empty").style.display = "none";
		document.getElementById("subscribe").value = "Y";
	}
	else
	{
		document.getElementById("checkbox_filled").style.display = "none";
		document.getElementById("checkbox_empty").style.display = "block";
		document.getElementById("subscribe").value = "N";
	}
}*/