function addItem(product)
{
	if (isNaN(parseInt(document.getElementById('productItemQty').value)))
		document.getElementById('productItemQty').value = 1;
	myUrl = '/admin/addItem.php?product=' + product + '&qty=' + document.getElementById('productItemQty').value;
	if(window.XMLHttpRequest)
		xmlhttp = new XMLHttpRequest();
	else if(window.ActiveXObject)
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	else
		return false;
	
	xmlhttp.open("GET", myUrl, true);
	xmlhttp.onreadystatechange=function()
	{
		if (xmlhttp.readyState == 4)
		{
			if (xmlhttp.responseText == 'true')
			{
				location.reload();
			}
			else
			{
				alert('A termék hozzáadása meghiúsult');
			}
		}
	}
	
	xmlhttp.send(null);
}

function removeItem(product)
{
	myUrl = '/admin/removeItem.php?product=' + product;
	if(window.XMLHttpRequest)
		xmlhttp = new XMLHttpRequest();
	else if(window.ActiveXObject)
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	else
		return false;
	
	xmlhttp.open("GET", myUrl, true);
	xmlhttp.onreadystatechange=function()
	{
		if (xmlhttp.readyState == 4)
		{
			location.reload();
		}
	}
	
	xmlhttp.send(null);
}

function billingShow(en)
{
	document.getElementById('billing').className = en ? 'none' : 'order';
}