function loadCart()
{
	var nameEQ = 'cart=';
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return "";
} 


function addToCart(ProductID)
{
    var itemsInCart
    var cart_string = "";
    cart_string = loadCart();
    var date = new Date();
	date.setTime(date.getTime()+(30*24*60*60*1280));
	
    var ca = cart_string.split(',');
	for(var i=0;i < ca.length;i++) 
	{
		if (ca[i] == ProductID) return;
	}
    if (cart_string != '') cart_string = cart_string + ",";
    cart_string = cart_string + ProductID;
    document.cookie = 'cart=' + cart_string +'; expires=' + date.toGMTString();
    if (ca != "") itemsInCart = ca.length + 1 ; else itemsInCart = 1;
    document.getElementById('viewcart').innerHTML = 'View Cart (' + itemsInCart.toString() + ' items)';
}

function eraseCookie()
{
    var date = new Date();
	date.setTime(date.getTime()-1);
    document.cookie = 'cart=expired;expires=' + date.toGMTString();
}