var InstallationUrl = '/newsletter/';
var bustcachevar=1; //bust potential caching of external pages after initial request? (1=yes, 0=no)
var bustcacheparameter="";

function createRequestObject2(){
	try	{
		xmlhttp2 = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLhttp");
	}	catch(e)	{
		alert('Sorry, but your browser doesn\'t support XMLHttpRequest.');
	};
	return xmlhttp2;
};

var http2 = createRequestObject2();

function ajaxpage2(url, containerid){
	var page_request = createRequestObject2();
	if (bustcachevar) bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
	page_request.open('GET', url+bustcacheparameter, true)
	page_request.send(null)

	page_request.onreadystatechange=function(){
		loadpage2(page_request, containerid)
	}
}

function loadpage2(page_request, containerid){
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)) {
		document.getElementById(containerid).innerHTML=page_request.responseText;
	};
}

function SubmitNewsletterForm1(poststr, vcode) {
    var flagCaptcha = false;

	if(http2.readyState == 4)	{
		var showcheck = http2.responseText;

		if(showcheck == '1')	{
			flagCaptcha = true;
		} else {
			flagCaptcha = false;
		};

        if (flagCaptcha == false) {
             alert('Incorrect verification code.');
        } else {
        	poststr += '&captcha=' + vcode.value;

            ajaxpage2('/newsletter/frontend/form.php?do=save&group=1'+poststr,'divNewsletter1');
        }
    }
};

function refreshImg1(){
	var url = InstallationUrl + 'frontend/captcha-refresh.php?grid=1';
	doRefresh1(url, displayImg1);
};

function doRefresh1(url, callback) {
	http2.open('POST', url, true);
	http2.onreadystatechange = displayImg1;
	http2.send(null);
};

function displayImg1() {
	if(http2.readyState == 4)	{
		var showimage = http2.responseText;
		document.getElementById('captchaImage').innerHTML = showimage;
	};
};

function ReloadPage1() {
	ajaxpage2('/newsletter/frontend/form.php?group=1','divNewsletter1');
};

function CheckNewsletterForm1() {
	//var submission = document.NewsletterForm1.vercode.value;
	//var url = InstallationUrl + 'frontend/captcha-process.php?captcha=' + submission;
	var flagFields = true;
	var re = /([0-9a-zA-Z\.\-\_]+)@([0-9a-zA-Z\.\-\_]+)/;
	var message = 'Some of the mandatory fields listed below are not filled correctly: \n';

	var poststr = "&email=" + encodeURIComponent( document.NewsletterForm1.email.value );

	            if (document.NewsletterForm1.name.value=='') {
                message += 'Name \n';
                flagFields = false;
            } else {
                poststr += "&name="+ encodeURIComponent( document.NewsletterForm1.name.value );
            }
                    if (document.NewsletterForm1.email.value=='') {
                message += 'Email \n';
                flagFields = false;
            }
            if (document.NewsletterForm1.email.value.length!=0 && document.NewsletterForm1.email.value.match(re)==null){
                message += 'Email \n';
                flagFields = false;
            }
                                        
	if (flagFields) {
		if (document.NewsletterForm1.vercode) {
			http2.open('POST', InstallationUrl + 'frontend/captcha-process.php?captcha=' + document.NewsletterForm1.vercode.value, true);
			http2.onreadystatechange = function () { SubmitNewsletterForm1(poststr, document.NewsletterForm1.vercode); };
			http2.send(null);
		} else {

			ajaxpage2('/newsletter/frontend/form.php?do=save&group=1'+poststr,'divNewsletter1');
		}
	} else {
		alert(message);
	}
};

loadNewsletter = '<div id="divNewsletter1"></div><script type="text/javascript">ajaxpage2("/newsletter/frontend/form.php?group=1","divNewsletter1");</script>';
document.writeln(loadNewsletter);