function windowopen(url) {
        var width = 800;
        var height = 700;
	var topPos = 10;
	var leftPos = 10;
        var payexWindow = window.open(url,'payexwindow','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,topmargin=0,width='+width+',height='+height+',top='+topPos+',left='+leftPos);
	return payexWindow;
}


function initJson () {
        jsonrpc = new JSONRpcClient("/nettbutikk/cart/jsonrpc");
}

function addToCart(id) {
        var result = jsonrpc.js_add(id);
        if (result > 0) {
                updateCart();

        }
}
function verifyForm() {
	var selects = document.getElementsByTagName('SELECT');
	if (selects) {
		for(var n=0;n<selects.length;n++) {
			var select = selects[n];
			if (select.value == "") {
				alert("Alle alternativer er ikke fyllt ut!");
				return false;
			}
		}
	}
	return true;
}


function clearCart() {
	var result = jsonrpc.js_clear();
	updateCart();
}

function updateCart() {
        var cart = jsonrpc.js_load();
        var obj = parent.document.getElementById('jscart');
	if (obj) {
		if (cart.total) {
        		obj.innerHTML = cart.total.toFixed(2);
		}
		else {
			obj.innerHTML = '';
		}
	}
}
function changeImage(id) {
	var image = document.getElementById('image');
	var link = document.getElementById('link');
	var imgurl = "/nettbutikk/image/view/"+id+"/large";
	var imgurl2 = "/nettbutikk/image/view/"+id+"/original";
	image.src = imgurl;
	link.href = imgurl2;
}