ie=document.all?1:0;

// -- ajax --

var request;

function ajax(url,vars,callbackFunction) {
 
 request=false;
 if (window.XMLHttpRequest && !(window.ActiveXObject)) {
  try {
   request=new XMLHttpRequest();
  } catch(e) {
     request=false;
    }
 } else
    if(window.ActiveXObject) {
     try {
      request=new ActiveXObject("Msxml2.XMLHTTP");
     } catch(e) {
        try {
         request=new ActiveXObject("Microsoft.XMLHTTP");
        } catch(e) {
           request=false;
          }
       }
    }

 if (request) {

  request.open("POST",url,true);
  request.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); 
  request.onreadystatechange=function() {
 
   if (request.readyState==4 && request.status==200)
    if (request.responseText)
     callbackFunction(request.responseText);

  }

  request.send(vars);

 }
}

// back


function iavote(r) {
 document.getElementById('c300').innerHTML=r;
}