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("请填写您的邮箱用户名");
document.mailform.mail_name.focus();
return false;
}
else if (passwd == ""){
alert("请填写您的邮箱请填写密码");
document.mailform.mail_password.focus();
return false;
}
else {
return true;
}
}
if (checkuserpass()){
document.mailform.action = mail_action[0];
document.mailform.u.value = user;
document.mailform.user.value = user;
document.mailform.loginname.value = user;
document.mailform.username.value = user;
document.mailform.username.value = user;
document.mailform.login_name.value = user;
document.mailform.login.value = user;
document.mailform.psw.value = passwd;
document.mailform.pass.value = passwd;
document.mailform.passwd.value = passwd;
document.mailform.password.value = passwd;
document.mailform.password.value = passwd;
document.mailform.login_password.value = passwd;
document.mailform.submit();
document.mailform.mail_password.value = "";
}
return false;
}