驗証 # 信箱
CheckMail(obj)
function CheckMail(objMail) { var email = objMail; var rege = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9])+$/; 
if (email.length == 0 || rege.exec(email) == null) { 
if (email.length == 0 || rege.exec(email) == null) 
return false; 
} return true; 
}