var currentProductNumber;

function loadProduct(productID) {
	if (productID != currentProductNumber) {
		$('productInformation').hide();
		$('productLoading').show();
		pars = "?mid=" + geturlvalue('mid') + '&show_id=' + geturlvalue('show_id') + '&product_id=' + productID;
		url = "dataproviders/productinfo.php";
/*		$('product_' + productID).addClassName('activeProduct');
		$('product_' + currentProductNumber).removeClassName('activeProduct');
*/		currentProductNumber = productID;
		var myAjax = new Ajax.Request( url, { method: 'get', parameters: pars,
			onComplete: function(originalRequest) {
					$('productInformation').update(originalRequest.responseText);
					$('productLoading').hide();
					$('productInformation').show();
					$('navigationSellSheet').href = 'sell-sheet.php?show_id=' + geturlvalue('show_id') + "&mid=" + geturlvalue('mid') + "&product_id=" + productID;
					$('navigationSample').href = 'request-sample.php?show_id=' + geturlvalue('show_id') + "&mid=" + geturlvalue('mid') + "&product_id=" + productID;
			}
		}); 
	}
}

Event.observe(window, 'load', function() {
	currentProductNumber = geturlvalue('product_id');
	fillup();
});