function validateContact() {
	if (document.contact.data0.value == "") {
		alert ("Please enter your first name.");
		document.contact.data0.focus();
		return false;
	}
	if (document.contact.data1.value == "") {
		alert ("Please enter your last name.");
		document.contact.data1.focus();
		return false;
	}

	var username = document.forms[ "contact" ].data2.value;
	var at = username.indexOf( "@" );
	var dot = username.indexOf( "." );

	if( at == -1 || dot == -1 || ( username.length < 5 ) ) {
		alert( "Please provide a valid e-mail address (e.g. yourname@gmail.com)" );
		document.contact.data2.focus();
		return false;
	}
	if (document.contact.data3value == "") {
		alert ("Please enter a message.");
		document.contact.data3.focus();
		return false;
	}
	return true;
}