var productImages = [];

// Preloaded image. ID = 7
productImages[7] = new Image();
productImages[7].src="/image/product/medium/simplycupcake_c.jpg";
productImages[7].alt = "Small makeup bag";

         

// Preloaded image. ID = 8
productImages[8] = new Image();
productImages[8].src="/image/product/medium/simplycupcake_a.jpg";
productImages[8].alt = "Small makeup bag";

         
function swapImage(image) {
   document.prodImageMain.src = productImages[image].src; 
}