function updateAmount(productpriceid,productsizeid) {
	
	var productamount;
	var elementName;
	
	elementName='a' + parseInt(productpriceid) + parseInt(productsizeid);
	
	productamount=document.getElementById(elementName).value;
	
	document.location='basket.asp?update=' + productpriceid + '&amount=' + productamount + '&product_size_id=' + productsizeid;
	 
}