switch(location.host){

case 'bz.0316.cc':

location.href="http://www.0316.cc/bz/"
break;

case 'yq.0316.cc':

location.href="http://www.0316.cc/yq/"

break;

case 'mm.0316.cc':

location.href="http://www.0316.cc/menmian/"

break;


}