[plugin] ScrollMagic 실행

var scene = new ScrollMagic.Scene({
	triggerElement: ".dynamicContent #loading_img", triggerHook: "onEnter"
    }).addTo(controller).on("enter", function (e) {
    
    if (!$("#loading_img").hasClass("active")) {
      		$("#loading_img").addClass("active");
            if (console){
                  console.log("loading new items");
            }
            // simulate ajax call to add content using the function below
            setTimeout(getAjaxImageList, 1000, 9);
	}
});