// JScript 文件
 function writeCookie(name, value, hours)   
    {   
        var expire = "";   
        if(hours != null)   
        {   
            expire = new Date();//(new Date()).getTime() + hours*60000/*3600000*/);   
            expire.setTime(expire.getTime() + hours*3600000);
            expire = "; expires=" + expire.toGMTString();   
        }   
        document.cookie = name + "=" + escape(value) + expire+";path=/;domain=house.163.com";
    }   
  
function changeto(chengshi)
{
   DelCoke();
   writeCookie("163ChengShi-2008",chengshi,120); 
   document.location = "http://"+chengshi+".house.163.com/index.html";
}

function DelCoke()
{
writeCookie("163ChengShi-2008",'',-1);
document.location = "http://house.163.com/";
}