setTimeout(function() {
      
		 
		var imgDefer = document.querySelectorAll('footer[data-src], .home-specification-banner .dt-sc-grid-banner-section');
		var style = "background-image: url({url})";
		for (var i = 0; i < imgDefer.length; i++) {
		imgDefer[i].setAttribute('style', style.replace("{url}", imgDefer[i].getAttribute('data-src')));
		}

      
      }, 4000);