<SCRIPT type=text/javascript 
src="images/jquery-1.3.2.min.js"></SCRIPT><script type="text/javascript"> 
//切换banner
var _bannerFenix_ST
function bannerFenix_Main(objId, t, imgIndex){
  var banner = $(objId);
   clearInterval(_bannerFenix_ST);  function showIt(){
 $(banner).text($(banner).text()+"a");
  }
  _bannerFenix_ST = setInterval(showIt,t);
}
function bannerFenix_Init(objId, t, imgIndex){
    var banner = $(objId);
    $(banner).text($(banner).text()+"a");
    bannerFenix_Main(objId, t, imgIndex)
}
</script><DIV id="banner1">1</div>
<SCRIPT type=text/javascript>
//切换banner
bannerFenix_Init("#banner1",2000,0);
</SCRIPT><DIV id="banner2">2</div><SCRIPT type=text/javascript>
//切换banner
bannerFenix_Init("#banner2",2000,0);
</SCRIPT>
允许这段代码只有banner2内容不断变化,banner1内容不变,有什么办法让两个层内容都一起变化呢