// JavaScript Document
function addtocart(url, updateDiv) {
	div = eval('"#' + updateDiv + '"');
	
	$.ajax({
	    url: url,
	    type: 'POST',
	    data: {basket_quantity: $("#basket_quantity option:selected").val()},
	    error: function(){
	        alert('Error');
	    },
	    success: function(data){
	        // do something
	        $(div).html(data);
	        alert('The item was added to your cart');
	    }
	});
}