$(document).ready(function(){
    $("#f_product_special").validate();

    $("#f_product_special").validate({
    	rules: {
    		phone: {
    			max: 9
    		}
    	}
    });
    
	$("#s3_brand").change(function() {
		var brandId = $("#s3_brand option:selected").val();
		$("#s3_model").load("/model_loader.php?brand=" + brandId);
	});
});