function showThumbnail(i) {
	$('photo-holder').src = i;
}

function switchTab(id) {
	if($('product-tab-1')) {
		$('product-tab-1').hide();
		$('product-tab-link-1').removeClassName('selected');
	}

	if($('product-tab-2')) {
		$('product-tab-2').hide();
		$('product-tab-link-2').removeClassName('selected');
	}

	if($('product-tab-3')) {
		$('product-tab-3').hide();
		$('product-tab-link-3').removeClassName('selected');
	}
	
	if($('product-tab-4')) {
		$('product-tab-4').hide();
		$('product-tab-link-4').removeClassName('selected');
	}
	
	$('product-tab-'+id).show();
	$('product-tab-link-'+id).addClassName('selected');
}