function validate_email(email){var m =/\w+\@\w+\.\w+(\.\w+)*/i.exec(email)
if (m==null){alert('Invalid E-Mail');return false;}
else{if (email=='name@domain.com'){alert('Please specify a different E-Mail');return false;}}
return true;}
function clearDefault(el){if (el.defaultValue==el.value) el.value=""
}