i want a drop down cart i have to open when the add this to my cart button is clicked...i need to figure out how to force it to wait until cart is updated with the new item.

for the product info page
i added this to the button
Code:
    <div id="cartAdd" value="Show Div" onclick="showDiv()" />
and this is in modules/pages/product-info
Code:
function showDiv() {
   document.getElementById('dropcart').style.display = "block";
}
http://www.shopbabby.com/index.php?m...roducts_id=180

any ideas?