document.write("<style type='text/css'>div.hide_table div.switch_1{display: none;} div.show_table div.switch_2{display: none;}<\/style>");
      function switchClass(obj) {
      if (obj.className == "hide_table") {obj.className = "show_table";}
      else {obj.className = "hide_table";}
      }
      function switchElementsByClassName(class_name,thisObj)
      {
        var all_obj,ret_obj=new Array(),j=0,teststr;
        if(document.all)all_obj=document.all;
        else if(document.getElementsByTagName && !document.all)
          all_obj=document.getElementsByTagName("*");
        for(i=0;i<all_obj.length;i++)
        {
          if(all_obj[i].className.indexOf(class_name)!=-1)
          {
            teststr=","+all_obj[i].className.split(" ").join(",")+",";
            if(teststr.indexOf(","+class_name+",")!=-1)
            {ret_obj[j]=all_obj[i];j++;}
          }
        }
        for (var i = 0; i < ret_obj.length; i++) {
        if (ret_obj[i].id!=thisObj) {ret_obj[i].className = "hide_table";}
      }
      }