function ajax_function(f, method, url, params, send_message)
  {
  var xmlHttp;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      try
        {
        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
      catch (e)
        {
        alert("Salut,\nCa sa poti folosi cel mai bine situl nostru, te rugam instaleaza-ti Internet Explorer 7 sau Mozilla Firefox\n\nDaca ai nevoie de ajutor, te rugam suna-ne la:\nMobil: 0730 - 16 60 50\nFix: 0732 70 62 62");
		location.href = "http://www.electroland.ro/contact";
		
        return false;
        }
      }
    }
    xmlHttp.onreadystatechange=function()
      {
      if(xmlHttp.readyState==4)
        {
            f(xmlHttp.responseText);
        }
      }
    if (params!="") url+="?"+params;
    xmlHttp.open(method,url,true);
    if (method=="POST") {
        xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
        xmlHttp.setRequestHeader("Content-length", send_message.length);
        xmlHttp.setRequestHeader("Connection", "keep-alive");
    }
    xmlHttp.send(send_message);
  }