var productImages = [];

// Preloaded image. ID = 841
productImages[841] = new Image();
productImages[841].src="/image/product/medium/0140_rt8-1.jpg";
productImages[841].alt = "";

         

// Preloaded image. ID = 840
productImages[840] = new Image();
productImages[840].src="/image/product/medium/1211281064.jpg";
productImages[840].alt = "";

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