function filter(type){

	shop_ajax.setParser('filter');
	shop_ajax.setVar('filter_type', type);
	if(type == "brand"){
		shop_ajax.setVar('filter_brand_id', $("#brand_id").val());
		shop_ajax.setVar('filter_category_id', $("#category_id").val());
	}
	shop_ajax.setCallback('filter_callback');
	shop_ajax.sendRequest();

}

function filter_callback(content, type){

	if(content != ""){
		document.location = content;
	} else {
		window.location.reload();
	}
	
}