// JavaScript Document

// JavaScript Document

//Gets the browser specific XmlHttpRequest Object 

function getXmlHttpRequestObject() {

 if (window.XMLHttpRequest) {

    return new XMLHttpRequest(); //Mozilla, Safari ...

 } else if (window.ActiveXObject) {

    return new ActiveXObject("Microsoft.XMLHTTP"); //IE

 } else {

    //Display our error message

    alert("Your browser doesn't support the XmlHttpRequest object.");

 }

}



//Our XmlHttpRequest object

var receiveReq = getXmlHttpRequestObject();



//Initiate the AJAX request

function makeRequest(url, param) {



//If our readystate is either not started or finished, initiate a new request

 if (receiveReq.readyState == 4 || receiveReq.readyState == 0) {

   //Set up the connection to captcha_test.html. True sets the request to asyncronous(default) 

   receiveReq.open("POST", url, true);



   //Set the function that will be called when the XmlHttpRequest objects state changes

  

   receiveReq.onreadystatechange = updatePage; 



   //Add HTTP headers to the request

   receiveReq.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

   receiveReq.setRequestHeader("Content-length", param.length);

   receiveReq.setRequestHeader("Connection", "close");



   //Make the request

   receiveReq.send(param);

 }   

}



//Called every time our XmlHttpRequest objects state changes

function updatePage() {

	

 //Check if our response is ready

 if (receiveReq.readyState == 4) {



   //Set the content of the DIV element with the response text

   document.getElementById('result').innerHTML = receiveReq.responseText;

	//Get a reference to CAPTCHA image

   //	img = document.getElementById('imgCaptcha'); 

  // 	img.src = '../Inc/generate_image.php';

	

   

 }

}





//Called every time when form is perfomed

function getParam(theForm) {

 //Set the URL



 var url = 'comments/index_addToMailinglist.php';

 //Set up the parameters of our AJAX call

 var postStr;
 postStr  = theForm.name.name       + "=" + encodeURIComponent( theForm.name.value );
 postStr +="," + theForm.email.name + "=" + encodeURIComponent( theForm.email.value );
 postStr +="," + theForm.gro.name   + "=" + encodeURIComponent( theForm.gro.value );

 

 //Call the function that initiate the AJAX request
 makeRequest(url, postStr);

}



//Called every time when form is perfomed