function submitEmail(email){
    var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
    if( reg.test(email) == false ){
	Modalbox.show(
	    "<p>An invalid e-mail address has been entered.  Please verify your entry.<br/></p>" +
	    "<p align=\"right\"><input type=\"button\" value=\"Dismiss\" onclick=\"Modalbox.hide()\" /></p>",
	    {title: "Error Encountered", width: 350}
	);
	return false;
    }

    new Ajax.Request("/ajax/mailing-list.php",{
	parameters: 'email='+email,
	method: 'post',
	onSuccess: function(){
	    Modalbox.show(
		"<p>Thank you, your e-mail has successfully been submitted.<br/></p>" +
		"<p align=\"right\"><input type=\"button\" value=\"Dismiss\" onclick=\"Modalbox.hide()\" /></p>",
		{title: "Success", width: 350}
	    );
	}
    });


}