function simpleJax(url,params,wait,finish){

var xmlHttp;

try{xmlHttp=new XMLHttpRequest();}catch (e){try{xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");}catch (e){try{xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");}catch (e){alert("Your browser does not support AJAX!");return false;}}}xmlHttp.onreadystatechange=function(){

     if(xmlHttp.readyState==1)

    {

        wait();

    }

    if(xmlHttp.readyState==4)

      {

        response = xmlHttp.responseText;

        finish(response);

      }

    }

    

  xmlHttp.open("post",url,true);

  xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

  xmlHttp.setRequestHeader("Content-length", params.length);

  xmlHttp.setRequestHeader("Connection", "close");

  xmlHttp.send(params);



}