CODE:
switch(location.host){
case 'tspengtai.com':
location.href="http://www.tspengtai.com/pt"
break;
case 'www.tspengtai.com':
location.href="http://www.tspengtai.com/pt"
break;
case 'moban.web846.cn':
location.href="http://moban.web846.cn/"
break;
}