var bXmlHttpSupport = (typeof XMLHttpRequest == "object" || window.ActiveXObject);



if(!bXmlHttpSupport)  bXmlHttpSupport=new XMLHttpRequest();











if (typeof XMLHttpRequest == "undefined" && window.ActiveXObject) {



    function XMLHttpRequest() {

        var arrSignatures = [	"MSXML2.XMLHTTP.5.0","MSXML2.XMLHTTP.4.0", "MSXML2.XMLHTTP",						

                             	"MSXML2.XMLHTTP.3.0", 

                             	"Microsoft.XMLHTTP"];

                         

        for (var i=0; i < arrSignatures.length; i++) {

            try {

        

                var oRequest = new ActiveXObject(arrSignatures[i]);

            

                return oRequest;

        

            } catch (oError) {

                //ignore

            }

        }          



        throw new Error("MSXML is not installed on your system.");               

    }

}







var Http = new Object;



Http.get = function (sURL, fnCallback) {

 

    if (bXmlHttpSupport) {

   

        var oRequest = new XMLHttpRequest();

        oRequest.open("get", sURL, true);

        oRequest.onreadystatechange = function () {

            if (oRequest.readyState == 4) {

                fnCallback(oRequest.responseText);

            }

        }

        oRequest.send(null);    

    

    } else if (navigator.javaEnabled() && typeof java != "undefined" 

            && typeof java.net != "undefined") {

            

        setTimeout(function () {

            fnCallback(httpGet(sURL));

        }, 10);

    } else {

        alert("Your browser doesn't support HTTP requests.");

    }          



};



Http.post = function (sURL, sParams, fnCallback) {

 

    if (bXmlHttpSupport) {

   

        var oRequest = new XMLHttpRequest();

        oRequest.open("post", sURL, true);

        oRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

        oRequest.onreadystatechange = function () {

            if (oRequest.readyState == 4) {

                fnCallback(oRequest.responseText);

            }

        }

        oRequest.send(sParams);    

    

    } else if (navigator.javaEnabled() && typeof java != "undefined" 

            && typeof java.net != "undefined") {

            

        setTimeout(function () {

            fnCallback(httpPost(sURL, sParams));

        }, 10);

    } else {

        alert("Your browser doesn't support HTTP requests.");

    }          



};











//funzioni

function httpPost(sURL, sParams) {

                       

    var oURL = new java.net.URL(sURL);

    var oConnection = oURL.openConnection();



    oConnection.setDoInput(true);

    oConnection.setDoOutput(true);

    oConnection.setUseCaches(false);                

    oConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");                



    var oOutput = new java.io.DataOutputStream(oConnection.getOutputStream());

    oOutput.writeBytes(sParams);

    oOutput.flush();

    oOutput.close();



    var sLine = "", sResponseText = "";



    var oInput = new java.io.DataInputStream(oConnection.getInputStream());                                

    sLine = oInput.readLine();

    

    while (sLine != null){                                

        sResponseText += sLine + "\n";

        sLine = oInput.readLine();

    }

                                  

    oInput.close();                                  



    return sResponseText;                         

}



function addPostParam(sParams, sParamName, sParamValue) {

    if (sParams.length > 0) {

        sParams += "&";

    }

    return sParams + encodeURIComponent(sParamName) + "=" 

                   + encodeURIComponent(sParamValue);

}



function addURLParam(sURL, sParamName, sParamValue) {

    sURL += (sURL.indexOf("?") == -1 ? "?" : "&");

    sURL += encodeURIComponent(sParamName) + "=" + encodeURIComponent(sParamValue);

    return sURL;   

}



function httpGet(sURL) {

    var sResponseText = "";

    var oURL = new java.net.URL(sURL);

    var oStream = oURL.openStream();

    var oReader = new java.io.BufferedReader(new java.io.InputStreamReader(oStream));

    

    var sLine = oReader.readLine();

    while (sLine != null) {

        sResponseText += sLine + "\n";

        sLine = oReader.readLine();

    }

    

    oReader.close();

    return sResponseText;

}