function addToCart(itemKey){
    window.navigate("/pet/order/addToCart.web?itemKey="+itemKey);
}

function addToCartWithQuantity(itemKey, itemQuantity){
   addToCart(itemKey+"&itemQuantity="+itemQuantity);
}

function addToCartWithQtyAndWarranty(itemKey, itemQuantity, select){
  var warrantyItemKey = select.options[select.selectedIndex].value;
  addToCart(itemKey+"&itemQuantity="+itemQuantity+"&warrItemKey="+warrantyItemKey+"&warrMode=1");
}

function addToCartWithQtyAndWarranty2(itemKey, itemQuantity, warrantyItemKey, orderLine){
  addToCart(itemKey+"&itemQuantity="+itemQuantity+"&warrItemKey="+warrantyItemKey+"&warrMode=1&orderLine="+orderLine);
}

function addToCartWithRadioBtn(radioObj){
    var warrItemKey = getCheckedValue(radioObj);
    addToCart(warrItemKey+"&warrMode=2");
}

// return the value of the radio button that is checked
// return an empty string if none are checked, or
// there are no radio buttons
function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}