function LgPretplatniciLogin()
{
    document.getElementById("divImgLg").style.cursor = 'wait';
    document.getElementById("padajuci_login").style.cursor = 'wait';
    if (window.XMLHttpRequest)
      {// IE7+, Firefox, Chrome, Opera, Safari
      xmlhttp=new XMLHttpRequest();
      }
    else
      {// IE6, IE5
      xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
    xmlhttp.onreadystatechange=function()
    {
      if (xmlhttp.readyState==4 && xmlhttp.status==200)
        {
            document.getElementById("divImgLg").style.cursor = 'default';
            document.getElementById("padajuci_login").style.cursor = 'default';
            var q;
            if(xmlhttp.responseText.indexOf("<!DOCTYPE") >= 0)
                q = xmlhttp.responseText.substring(0,xmlhttp.responseText.indexOf("<!DOCTYPE"));
            else
                q = xmlhttp.responseText;  
            if(q.substring(0,2) == "no")
            {
                document.getElementById("errLogin").innerHTML = '*Login podaci nisu ispravni !';
            }
            else
            {
                document.getElementById("divLgIzdanja").innerHTML = q;
                document.getElementById("divLgIzdanja").style.visibility = "visible";
            }
        }
    }
    xmlhttp.open("POST","Pretplatnici.aspx", true);
    xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
    xmlhttp.send("Korisnik=" + encodeURIComponent(document.getElementById("txtLgKorisnik").value) + "&Lozinka=" + encodeURIComponent(document.getElementById("txtLgLozinka").value));
}