/*
 * form.js  - form validation script
 */
 
$(document).ready(function(){
	$("#comment_form").submit(function(){
		var valid = true;
		var errList = "<ul class='errorList'>";
		var name = $("#name").attr("value");
		var email = $("#email").attr("value");
		var subject = $("#subject").attr("value");
		var message = $("#message").attr("value");
		
		var emailRegExp = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/;
		if(name == "") {
			errList += "<li>Your name is required.</li>";
			valid = false;
		}
		
		if(email == "") {
			errList += "<li>Your email address is required.</li>";
			valid = false;
		}
		
		if(!emailRegExp.test(email)) {
			errList += "<li>Your email address needs to be a valid email address.</li>";
			valid = false;
		}
		
		if(subject == "") {
			errList += "<li>Please enter a subject.</li>";
			valid = false;
		}
		
		if(message == "") {
			errList += "<li>Don&rsquo;t forget to enter your message.</li>";
			valid = false;
		}
		
		errList += "</ul>";
		
		if(!valid){
			$(this).find("ul.errorList").remove();
			$(this).prepend(errList);
		}
		
		return valid;
		
	});
});