function swapImage(img_normal,img_zoom) {
	thisNode = document.getElementById('big_photo');
	thisNode2 = document.getElementById('zoom_photo');
	// alert(thisNode.parentNode.innerHTML);
	thisNode.attributes['src'].value= img_normal;
	thisNode2.attributes['href'].value= img_zoom;
	//thisNode.innerHTML = '<a href="'+img_zoom+'" class="zoom"><img src="'+img_normal+'" /></a>';
	// alert(thisNode.parentNode.innerHTML);
}