function do_search(obj)
{
    switch (obj.SearchCateTxt.value) {
      case "newsmaintext":
        obj.f.value = "news_cn1 company_cn_1_"; obj.t.value = "news_cn1"; obj.w.value = "news_cn1";  break;
      case "newstitle":
        obj.f.value = "news_cn company_cn_1_"; obj.t.value  = "news_cn"; obj.w.value = "news_cn";  break;		
      case "product":
        obj.f.value = "product_cn company_cn_1_"; obj.t.value  = "product_cn1"; obj.w.value = "product_cn1";  break;
      default:
        obj.f.value = "news_cn+company_cn_1_"; obj.t.value  = "news_cn"; obj.w.value = "news_cn";
    }
    return true;
}

function do_searchen(obj)
{
    switch (obj.SearchCateTxt.value) {
      case "newsmaintext":
        obj.f.value = "news_en1 company_en_1_"; obj.t.value = "news_en1"; obj.w.value = "news_en1";  break;
      case "newstitle":
        obj.f.value = "news_en company_en_1_"; obj.t.value  = "news_en"; obj.w.value = "news_en";  break;		
      case "product":
        obj.f.value = "product_en company_en_1_"; obj.t.value  = "product_en"; obj.w.value = "product_en";  break;
      default:
        obj.f.value = "product_en company_en_1_"; obj.t.value  = "product_en"; obj.w.value = "product_en"; 
    }
    return true;
}