// JavaScript Document
//check form
function checkform(form)
{
	checkEmail = form.email.value;
	
	if (form.name.value == ''){
		alert('You have not entered a name.');
		form.name.focus(); 
		return false;
	}
	else if (form.email.value == ''){
		alert('You have not entered an email address.');
		form.email.focus();
		return false;
	}
	else if ((checkEmail.indexOf('@') < 0) || ((checkEmail.charAt(checkEmail.length-4) != '.') && (checkEmail.charAt(checkEmail.length-3) != '.'))) {
		alert('You have entered an invalid email address. Please try again.');
		form.email.focus();
		return false;
	}
	else if (form.comment.value == ''){
		alert('You have not entered a comment.');
		form.comment.focus();
		return false;
	}


	return true;
}