$(document).ready(function() {
	
	$('#flash').hide();
	
	$('a.ext').attr('target', '_blank');
	
	$('#contact').submit(function() {
								  
		var $name = $('#name');
		var $email = $('#email');
		var $phone = $('#phone');
		var $message = $('#message');
		
		var send = true;
		
		var error = [];
		
		if ($name.val() == '') {
			send = false;
			error.push('Name is required');
		}
		
		if ($email.val() == '') {
			send = false;
			error.push('Email is required');
		} else if( ! isValidEmail($email.val())) {
			send = false;	
			error.push('Email address is invalid');
		}
		
		if ($message.val() == '') {
			send = false;
			error.push('Message is required');
		}
		
		if (send) {
			return true;
		}
		
		$('#flash').show().html(error.join('<br />')).addClass('alert').addClass('no');
		
		return false;
		
	});
	
	if ((r = getQueryVariable('r')) != null) {
		$('#flash').fadeIn();
		if (r == 1) {
			$('#flash').text('Your message has been sent').addClass('alert').addClass('yes');
		} else {
			$('#flash').text('An error has occurred. Please try again.').addClass('alert').addClass('no');
		}
	}
	
});

function isValidEmail(email) {
	if (/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/.test(email)) {
		return true;
	}
	return false;
}

function getQueryVariable(variable) {
	var query = window.location.search.substring(1);
	var vars = query.split('&');
	for (var i = 0; i < vars.length; i++) {
		var pair = vars[i].split('=');
		if (pair[0] == variable) {
			return pair[1];
		}
	}
	return null;
}