function showCart() {
    var random = Math.random() * 100;
    var head= document.getElementsByTagName('head')[0];
    var script= document.createElement('script');
    script.type= 'text/javascript';
    script.src= 'https://secure.bellonline.co.uk/shoppingCart.php?show=1&rand=' + random;
    head.appendChild(script);
}
function confirmEmptyCart() {
	var response = confirm("Are you sure you want to empty your shopping cart?");
	if (response) {
		window.location = 'https://secure.bellonline.co.uk/cart.php?a=empty';
	}
}
function closeCart() {
	document.getElementById('shoppingCart').innerHTML = '<div style="position: absolute; top: 0px; right: 0px; width: 1px; height: 1px;"></div>';
}