Cart = function(){
	return {
		updateItem : function(el){
			var id = el.id.replace(/^update-/,'');
			window.location = '/cart.php?update='+id+'&qty='+el.value;
		},
		
		updateShirtItem : function(el){
			var id = el.id.replace(/^update-/,'');
			var item = id.split('-');
			
			window.location = '/cart.php?update='+item[1]+'&qty='+el.value+'&size='+item[0];
		},
		
		removeItem : function(el){
			var id = el.id.replace(/^remove-/,'');
			window.location = '/cart.php?remove='+id;
		}
	};
}();