// JavaScript Document
var XMLHTTP;

function RichiestaAJAX(stringa)
{
    if (stringa.length > 0)
    {
        var url = "ajax.asp?nome=" + stringa;
        XMLHTTP = QualeBrowser(GestioneStato);
        XMLHTTP.open("GET", url, true);
        XMLHTTP.send(null);
    }
    else
    {
        document.getElementById("nomi").innerHTML = "";
    } 
}

function GestioneStato()
{
    if (XMLHTTP.readyState == 4)
	{
		var R = document.getElementById("accesso");
        R.innerHTML = XMLHTTP.responseText;
    }
}

function GestioneStato1()
{
    if (XMLHTTP.readyState == 4)
	{
		var R = document.getElementById("content");
        R.innerHTML = XMLHTTP.responseText;
    }
}


function QualeBrowser(QualeBrowser)
{
    if (navigator.userAgent.indexOf("MSIE") != (-1))
    {
        var Classe = "Msxml2.XMLHTTP";
        if (navigator.appVersion.indexOf("MSIE 5.5") != (-1));
        {
            Classe = "Microsoft.XMLHTTP";
        } 
        try
        {
            OggettoXMLHTTP = new ActiveXObject(Classe);
            OggettoXMLHTTP.onreadystatechange = QualeBrowser;
            return OggettoXMLHTTP;
        }
        catch(e)
        {
            alert("Errore: l'ActiveX non verrà eseguito!");
        }
    }
    else if (navigator.userAgent.indexOf("Mozilla") != (-1))
    {
        OggettoXMLHTTP = new XMLHttpRequest();
        OggettoXMLHTTP.onload = QualeBrowser;
        OggettoXMLHTTP.onerror = QualeBrowser;
        return OggettoXMLHTTP;
    }
    else
    {
        alert("L'esempio non funziona con altri browser!");
    }
}


function Richiesta(VarUser, VarPass)
{
    if (VarUser.length > 0)
    {
		var url,params;
    	url  = "login.asp?username=" + VarUser.toLowerCase();
    	url += "&password=" + VarPass.toLowerCase();
    	url  = "login.asp";
    	params  = "username=" + VarUser.toLowerCase();
    	params += "&password=" + VarPass.toLowerCase();
		XMLHTTP = QualeBrowser(GestioneStato);
    	XMLHTTP.open("POST", url, true);

		//Send the proper header information along with the request
		XMLHTTP.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		XMLHTTP.setRequestHeader("Content-length", params.length);
		XMLHTTP.setRequestHeader("Connection", "close");
		XMLHTTP.send(params);
	}
}

function Password(VarUser, VarPass)
{
    if (VarUser.length > 0)
    {
		var url,params;
    	url  = "login.asp?username=" + VarUser.toLowerCase();
    	url += "&password=" + VarPass.toLowerCase();
    	url  = "login.asp";
    	params  = "username=" + VarUser.toLowerCase();
    	params += "&password=" + VarPass.toLowerCase();
		XMLHTTP = QualeBrowser(GestioneStato);
    	XMLHTTP.open("POST", url, true);

		//Send the proper header information along with the request
		XMLHTTP.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		XMLHTTP.setRequestHeader("Content-length", params.length);
		XMLHTTP.setRequestHeader("Connection", "close");
		XMLHTTP.send(params);
	}
}

function tutore(VarUser)
{
    if (VarUser.length > 0)
    {
		var url,params;
    	url  = "peppo.asp?id_sissi_alu=" + VarUser.toLowerCase();
    	params  = "username=" + VarUser.toLowerCase();
    	params += "&password=" + VarPass.toLowerCase();
		XMLHTTP = QualeBrowser(GestioneStato1);
    	XMLHTTP.open("GET", url, true);

		//Send the proper header information along with the request
		XMLHTTP.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		XMLHTTP.setRequestHeader("Content-length", params.length);
		XMLHTTP.setRequestHeader("Connection", "close");
		XMLHTTP.send(params);
	}
}