Easy foodporn

foodporn.js

if (!window.jQuery) {
  script = document.createElement('script');
  script.type = "text/javascript";
  script.src = "//code.jquery.com/jquery-1.10.2.js";
  document.getElementsByTagName('head')[0].appendChild(script);
}

setTimeout(function() {
  jQuery(".ss-form-question .ss-choice-item input").unbind("change").change(function(){
    var sum = 0;
    var parent = jQuery(this).parents(".ss-form-question")
    var title = parent.find(".ss-q-title");
    var checkSum = title.find(".checkSum");
    
    parent.find(".ss-choice-item input:checked").each(function(){
      sum += Number(/\d+$/.exec(this.value)[0]);
    });

    if (checkSum.length == 0) {
      checkSum = jQuery("<div/>").addClass("checkSum").css("font-size", "20px").css("color", "brown");
      title.append(checkSum);
    } 

    checkSum.text("Total: " + sum + ", left: " + (50 - sum));
  });
}, 1000);