// JavaScript Document
function getHTTPObject(){
    var xmlHttp = null;
    if(typeof XMLHttpRequest != "undefined"){
        xmlHttp = new XMLHttpRequest();
    }
    else if(typeof window.ActiveXObject != "undefined"){
        try {
            xmlHttp = new ActiveXObject("Msxml2.XMLHTTP.4.0");
        }
        catch(e){
            try {
                xmlHttp = new ActiveXObject("MSXML2.XMLHTTP");
            }
            catch(e){
                try {
                    xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
                }
                catch(e){
                    xmlHttp = null;
                }
            }
        }
    }
    return xmlHttp;
}
//find browser 
browserName=navigator.appName;
version=navigator.appVersion;
version=version.split(";",2);
//alert(version);
var method="POST";
if(browserName=="Netscape")
{
	method="GET";
}
	  //adimlari al ve atla.
	  //dowork func
	 function login()
	  {	
	    if(chkTextboxes())
		{
		httpObject=getHTTPObject();
		httpObject.onreadystatechange = setOutput;
		if (httpObject != null) {
		httpObject.open(method, "login.php?username="+document.getElementById('txt_username').value
										 +"&password="+document.getElementById('txt_password').value
										 +"&browser="+browserName, true);
		httpObject.send(null);	
		document.getElementById("uyari").innerHTML="<div style='text-align:center'><img src='../images/loading.gif' /><br />Giriş Yapılıyor.<br/> Lütfen bekleyin...</div>";
		}
		}
	}
      // Change the value of the outputText field
      function setOutput(){
		  //var forms=document.getElementById("adim").innerHTML;
		  if (httpObject.readyState == 0)
		  {
			  alert('istek başlatılamadı');
		}
 else if(httpObject && httpObject.readyState == 4){
	 if(httpObject.responseText=='3')
	    {
		 window.location="siteadmin/firmakullanici.php";
	    }	
	 else if(httpObject.responseText=='1')
	    {
			window.location="ilanara.php";
	    }
	 else if(httpObject.responseText=='2')
	    {
			window.location="firma/firmabilgi.php";
	    }
		 else if(httpObject.responseText=='4')
	    {
			window.location="superfirma/firmabilgi.php";
			//window.location="kisiselbilgi.php";
	    }
		else
		{
			document.getElementById('uyari').innerHTML=httpObject.responseText;
		}
      }
      }
	  var httpObject = null;	
	  
	  //check textboxes
	  
	  function chkTextboxes()
	  {
		var username=document.getElementById('txt_username');
		var password=document.getElementById('txt_password');
		document.getElementById('uyari').innerHTML="";
		if(username.value=='')
		{
	    document.getElementById('uyari').innerHTML+="Lütfen Kullanıcı Adını giriniz!<br/>";
		return false;	
		}
		else if(password.value=='')
		{
		document.getElementById('uyari').innerHTML+="Lütfen şifrenizi giriniz!";
		return false;	
		}
		else
		{
		return true;	
		}
	 }