// This script makes sure an empty form is not sent

	function checkform() {
		if (document.feedback.realname.value=="")
		{
		alert('Please enter your name.');
		return false;
		}
		else if (!isEmailValid("email"))
		{
		alert('Please enter a valid e-mail address.');
		return false;
		}
		else if (document.feedback.message.value=="")
		{
		alert('Please enter a message.');
		return false;
		}
	return true;
	}

// This script checks if the address is close to being valid
	function isEmailValid() {		
		if (document.feedback.email.value.length<5)
		{
		return false;
		}
		else if (document.feedback.email.value.indexOf("@") < 1)
		{
		return false;
		}
		else if (document.feedback.email.value.length - document.feedback.email.value.indexOf("@") < 4)
		{
		return false;
		}
	return true;
	}