function emailCheck (emailStr) {

	var mn = document.signup.name.value;
	if ((mn.length<1) || (mn.substring(0,6)=="******")) {
		alert("Please enter your name");

		document.signup.name.focus();
		return false;
	}

	var mt = document.signup.email.value;
	if ((mt.length<1)||(mt.substring(0,6)=="******")) {
		alert("Please enter your email address");

		document.signup.email.focus();
		return false;
	}




	var emailPat = /^([_a-z0-9-]+)(\.[_a-z0-9-]+)*@([a-z0-9-]+)(\.[a-z0-9-]+)*(\.[a-z]{2,6})$/i;



	var matchArray =emailStr.match(emailPat);

	if (matchArray == null) {

	/* Too many/few @'s or something; basically, this address doesn't
	even fit the general mould of a valid e-mail address. */

	alert("Email address seems incorrect.\nOur system supports addresses with:\nletters, numbers and the characters . _ -");
	return false;
	}

	// If we've gotten this far, everything's valid!
	return true;
}