var msg = "The following required field(s) are empty:\n";
var mol = msg.length;
function validEmail(email) {
	invalidChars = " /:,;";
	if (email == "") {
		return false;
	}
	for (i=0; i<invalidChars.length; i++) {
		badChar = invalidChars.charAt(i);
		if (email.indexOf(badChar,0) > -1) {
			return false;
		}
	}
	atPos = email.indexOf("@",1);
	if (atPos == -1) {
		return false;
	}
	if (email.indexOf("@",atPos+1) > -1) {
		return false;
	}
	periodPos = email.indexOf(".",atPos)
	if (periodPos == -1) {
		return false;
	}
	if (periodPos+3 > email.length)	{
		return false;
	}
	return true;
}
function checkFields(f) {
	if(f.name.value == "") {
		msg += "\n - Your Name";
	}
	if(f.email.value == "") {
		msg += "\n - Your Email";
	}
}
function contactForm(f) { 
	msg = "The following required field(s) are empty:\n";
	checkFields(f);
	if(msg.length > mol) {
		alert(msg);
		return false;
	}
	if(!validEmail(f.email.value)) {
		alert("Invalid email address.\nPlease enter a valid email address.");
		f.email.focus();
		f.email.select();
		return false;
	}
	return true;
}