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function checkCallBack(){

  if(xmlHttp.readyState==4){
      if(xmlHttp.status==200){
        var result = xmlHttp.responseText;
        var Html = " <table>";
        Html += " <tr> <td>" + result + " </td> </tr> </table>";
        var a = document.getElementById("DIV1");
        a.innerHTML += Html;
      }
  }
}


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function checkCallBack(){
  if(xmlHttp.readyState==4){
      if(xmlHttp.status==200){
        var result = xmlHttp.responseText;
        var Html = " <table>";
        Html += " <tr> <td>" + result + " </td> </tr> </table>";
        var a = document.getElementById("DIV1");
        if(a.innerHTML.ind