// script for language switch
function switchLang()
{
  if (document.URL.indexOf("chinese") != -1)
  {
    var temp = document.URL;
    temp = temp.replace(/chinese/gi,"english");
    location = temp;
  }
  else
  {
    var temp = document.URL;
    temp = temp.replace(/english/gi,"chinese");
    location = temp;
  }
}