gistfile1.js

function setup(items)
{
    var divs = document.getElementsByTagName("div");
    var images = document.getElementsByTagName("image");
    var button = document.getElementsById("save-btn");

    for (var i = 0; i < items.length; i++) {
        process(items[i], div[i]);
    }

    button.addEventListener("click", function(event) {
        alert("Saved");
    }, false);
}