javascript 实现的类似hao123的多邮箱登录效果_javascript技巧

<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <script language="JavaScript"> <!-- function log_submit(){ var User = document.mailForm.mail_name.value; var ProNo = document.mailForm.mailSelect.value; var mail_action = ProNo.split(";"); if(mail_action.length > 1) { if(mail_action[1]=="suffix") User += "@"+mail_action[2]; else eval("document.mailForm."+mail_action[1]+".value = '"+mail_action[2]+"';"); } var Passwd = document.mailForm.mail_password.value; var Formobj = document.mailForm; function checkUserPass(){ if (User == ""){ alert("璇峰～</script>