var productImages = [];

// Preloaded image. ID = 57
productImages[57] = new Image();
productImages[57].src="/image/product/medium/pinkhippy_a.jpg";
productImages[57].alt = "Pink hippy zip pouch";

         

// Preloaded image. ID = 58
productImages[58] = new Image();
productImages[58].src="/image/product/medium/pinkhippy_b.jpg";
productImages[58].alt = "Pink hippy zip pouch";

         

// Preloaded image. ID = 59
productImages[59] = new Image();
productImages[59].src="/image/product/medium/pinkhippy_c.jpg";
productImages[59].alt = "Pink hippy zip pouch";

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