var image1 = new Image()
image1.src = "images/digital-blueprinting-slide-BPOL_NG.jpg" 
var image2 = new Image()
image2.src = "images/digital-blueprinting-slide.jpg"
var image3 = new Image()
image3.src = "images/on-site-print-solution-slide.jpg"
var image4 = new Image()
image4.src = "images/3d-printing-slide.jpg"
var image5 = new Image()
image5.src = "images/signs-banners-posters-billboards-slide.jpg"
var image6 = new Image()
image6.src = "images/online-photo-services-slide.jpg"