switch(location.host){   
case'gongfuw.com':    
location.href="http://www.gongfuw.com/index.aspx"    
break; 
case'www.gongfuw.com':    
location.href="http://www.gongfuw.com/index.aspx"    
break; 
case'cdzl.com.cn':    
location.href="http://www.cdzl.com.cn/home.html"    
break; 
case'www.cdzl.com.cn':    
location.href="http://www.cdzl.com.cn/home.html"    
break; 
   
}