function checkContact() {
	var error = false;
	if (!document.forms["contact"].username.value)
		error = true;
	if (!document.forms["contact"].email.value)
		error = true;
	if (!document.forms["contact"].message.value)
		error = true;
	if (!document.forms["contact"].town.value)
		error = true;	
	if (error)
		alert("Please fill out all required fields!");
	else
		if (checkEmail(document.forms["contact"].email.value)) {
			document.forms["contact"].bit.value = 56;
			document.forms["contact"].submit();
		}
		else 
			alert("Please check email address!");
}


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