function switch_product_images(new_main, new_main_zoom, vignette_id){
	var current_main = document.getElementById('mainProductImage').src;
	var current_main_zoom = document.getElementById('zoom1').href;
	document.getElementById(vignette_id).innerHTML = '<a href="javascript:switch_product_images(\''+current_main+'\', \''+current_main_zoom+'\', \''+vignette_id+'\')"><img src="'+current_main+'" name="'+vignette_id+'" height="108" border="0" /></a>';
	document.getElementById('mainProductImage').src = new_main;
	document.getElementById('zoom1').href = new_main_zoom;
}