function getQueStr(url,ref) //取获参数值
   {
    var str = url.substr(url.indexOf('?')+1);
    if(str.indexOf('&')!=-1)
    {
     var arr = str.split('&');
     for(i in arr)
     {
      if(arr[i].split('=')[0]==ref)
       return arr[i].split('=')[1];
     }
    }
    else
    {
     return url.substr(url.indexOf('=')+1)
    }
   }
   if(window.location.search=="")
{
self.location='http://www.ichangyan.com/SiteServer/Downs/view4.aspx?Typeid=2&Jctype=1';
//self.location='http://localhost:8001/changyan/SiteServer/Downs/view4.aspx?Typeid=2&Jctype=1';
}
else
{
  if(getQueStr(window.location.href,"on")=="y")
  {
     self.location='http://www.ichangyan.com/SiteServer/Downs/view4.aspx?Typeid=2&Jctype=2';
     //self.location='http://localhost:8001/changyan/SiteServer/Downs/view4.aspx?Typeid=2&Jctype=2';
  }
}