switch(location.host){

case 'www.tlshoes.com':
case 'tlshoes.com':

location.href="/tl/"

break;

case 'www.tzyffp.cn':
case 'tzyffp.cn':

location.href="/yongfeng/"

break;

case 'www.dx-sj.com':
case 'dx-sj.com':

location.href="/dx/"

break;

}