Store.page

<apex:page standardController="Order__c" extensions="StoreExtension">
    <apex:stylesheet value="{!URLFOR($Resource.fancy_styles)}"/>
    <apex:includeScript value="{!URLFOR($Resource.fancy_scripts)}"/>
    <apex:form styleClass="store-form">
        <div class="cart">
          <apex:outputPanel id="toggle">
              <apex:commandLink value="{!toggleLink}" action="{!toggleShowCart}" rerender="toggle, cart"/>
          </apex:outputPanel>
          <apex:outputPanel id="cart">
              <c:Cart rendered="{!showCart}" theOrder="{!theOrder}"></c:Cart>
          </apex:outputPanel>
          <apex:outputPanel layout="block" id="total">
              <span>
                  Total: 
              </span>
              <apex:outputField value="{!theOrder.Total__c}"/>
          </apex:outputPanel>
          <apex:outputPanel layout="block" id="checkout-cart">
              <apex:commandButton value="Proceed to Checkout" action="{!gotoCheckout}"/>
          </apex:outputPanel>
          <div class="cart-status">
            <apex:actionStatus styleClass="cart-status" id="cart-status" startText="Working..." stopText=""/>
          </div>
        </div>
        <div class="items-panel">
          <apex:outputPanel id="items" styleClass="items">
              <apex:repeat var="item" value="{!items}">
                    <apex:outputPanel styleClass="item">
                        <div class="item-attr name">{!item.Name}</div>
                        <div class="item-attr desc">{!item.Description__c}</div>
                        <div class="item-attr price">
                            <apex:outputField styleClass="item-attr" value="{!item.Price__c}"/>
                        </div>   
                        <span class="add-to-cart">
                            <apex:commandButton value="Add to Cart" action="{!addToCart}" reRender="cart, total" status="cart-status">
                                <apex:param name="itemId" value="{!item.id}" />
                            </apex:commandButton>
                        </span>
                    </apex:outputPanel>
              </apex:repeat>
          </apex:outputPanel>
        </div>
    </apex:form>
</apex:page>