function addProductToShoppingCart(p, id)
{
	qty = $("howMany" + id).value;
	if (isNaN(qty))
	{
		alert("Anzahl ungültig");
		return;
	}
	
	nUrl = "?cmd=addToCart&p=" + escape(p) + "&qty=" + Math.round(qty) + "&medium=" + $("medium" + id).value;
	location.href = nUrl;
}


function refreshShoppingCart()
{
	$("formSC").submit();
}

function trash(n)
{
	if ($(n) != null)
		$(n).value = "0";
	refreshShoppingCart();
}

function refreshForm(n)
{
	if ($(n) != null)
		$(n).submit();  
}

function $(eName)
{
	return document.getElementById(eName);
}