// Registration Form Validation
function validateRegistration(form_id) {
 var name = document.forms[form_id].elements['NAME'].value;
 if(name == "") { alert('You must specify a name'); return false; }
 var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
 var email = document.forms[form_id].elements['EMAIL'].value;
 if(email == "") { alert('You must specify an email address'); return false; }
 if(reg.test(email) == false) { alert('Invalid Email Address'); return false; }
}

function checkEnter(e) {
 var characterCode;
 if(e && e.which) { e = e; characterCode = e.which; }
 else { e = event; characterCode = e.keyCode; }
 if(characterCode == 13){ return false; } else { return true; }
}