function CheckTestimonialData(){
	var isValid = true;
	var msg = "";

	with (document.getElementById("testimonial_submit")) {
		/* User name is mandatory */
		if (user_display.value=="") {
			isValid = false;
			msg += "\n You must enter your name.";
		} 
    

		/* User city is mandatory */
		if (user_city.value=="") {
			isValid = false;
			msg += "\n You must enter your city.";
		}

		/* Testimonial content is mandatory and must not be over 500 characters.*/
		if (testimonial.value=="") {
			isValid = false;
			msg += "\n Comment content must not be empty.";
		}
        else
        {
        var charcount = testimonial.value.length;
            if (charcount > 500)
            {
                isValid = false;
                msg += "\n Your Testimonial is " + charcount + " characters long. Please limit it to 500 characters.";
            }
        }
	}
		if (msg != "") {
			alert(msg);
		}

		return isValid;
	}