function createXMLHttp() {
   if(typeof XMLHttpRequest != "undefined") {
    return new XMLHttpRequest();
   } else if(window.ActiveXObject) {
    var aVersions = ["MSXML2.XMLHttp.5.0", "MSXML2.XMLHttp.4.0",
         "MSXML2.XMLHttp.3.0", "MSXML2.XMLHttp",
         "Microsoft.XMLHttp"
         ];
    for (var i = 0; i < aVersions.length; i++) {
     try {
      var oXmlHttp = new ActiveXObject(aVersions[i]);
      //alert(aVersions[i]);
      return oXmlHttp;
     } catch (oError) {
       
     }
    }
    throw new Error("Невозможно создать объект XMLHttp.");
   }
  }

  function displayCustomerInfo(sText) {
   sElem = document.getElementById("txtCustomerInfo");
   //sElem.innerHTML = sText;
   //alert (sText);
    
   if (sText=="no") alert ('Не вірний логін або пароль');
	else location.reload(true);
  }
   
  function getRequest(modes, ids) {
   var sLOG = document.getElementById("site_log").value;
   var sPAS = document.getElementById("site_pas").value;
   var oXmlHttp = createXMLHttp();
   oXmlHttp.open("GET","/pass_site_ver.php?mod="+modes+"&ids="+ids+"&site_log="+sLOG+"&site_pas="+sPAS,true);
   oXmlHttp.onreadystatechange = function() {
    if(oXmlHttp.readyState == 4) {
     if(oXmlHttp.status == 200) {
      displayCustomerInfo(oXmlHttp.responseText);
     } else {
      displayCustomerInfo("Ошибка: " + oXmlHttp.statusText);
     }
    }
   };
   oXmlHttp.send(null);
  }
  
   function exit_log(modes, ids) {
   var oXmlHttp = createXMLHttp();
   oXmlHttp.open("GET","/pass_site_ver.php?mod="+modes+"&ids="+ids+"&modes=exit",true);
   oXmlHttp.onreadystatechange = function() {
    if(oXmlHttp.readyState == 4) {
     if(oXmlHttp.status == 200) {
      displayCustomerInfo(oXmlHttp.responseText);
     } else {
      displayCustomerInfo("Ошибка: " + oXmlHttp.statusText);
     }
    }
   };
   oXmlHttp.send(null);
  }