var questionSent = false;
var subscriptionSent = false;
var msg_close = '';

function echeck(str, alertmsg) {
	var at="@", dot=".", lat=str.indexOf(at), lstr=str.length, ldot=str.indexOf(dot);
	if (str.indexOf(at)==-1) {
		alert(alertmsg)
		return false
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   alert(alertmsg)
	   return false
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		alert(alertmsg)
		return false
	}
	if (str.indexOf(at,(lat+1))!=-1){
		alert(alertmsg)
		return false
	}
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		alert(alertmsg)
		return false
	}
	if (str.indexOf(dot,(lat+2))==-1){
		alert(alertmsg)
		return false
	}
	 if (str.indexOf(" ")!=-1){
		alert(alertmsg)
		return false
	 }
	 return true					
}

function toggle(id) {
	if (document.getElementById(id).style.display == 'block') {
		document.getElementById(id).style.display = 'none';
	} else {
		document.getElementById(id).style.display = 'block';
	}
}

var http_request = false;

function alertSavedComment() {
		if (http_request.readyState == 4) {
			if (http_request.status == 200) {
				result = http_request.responseText;
				document.getElementById('sentOk').innerHTML = result;
				document.getElementById('opt-21').value = '';
				document.getElementById('opt-11').value = '';
				document.getElementById('opt-31').value = '';
				document.getElementById('opt-41').value = '';
				document.getElementById('opt-41').value = '';
				document.getElementById('btnGuestbookSend').value = msg_close;
				questionSent = true;
			} else {
				alert('Klaida...');
			}
		}
}

function alertSavedSubs() {
		if (http_request.readyState == 4) {
			if (http_request.status == 200) {
				result = http_request.responseText;
				document.getElementById('sentPubOk').innerHTML = result;
				document.getElementById('opt-mail').value = '';
				document.getElementById('prenumeruoti').value = msg_close;
				subscriptionSent = true;
			} else {
				alert('Klaida...');
			}
		}
}

function saveComment(lang, alertmsg, fillmsg, m_close, m_send) {
	
		 if (questionSent) {
			 restartSendForm(m_send);
			 return true;
		 }
		 
		 msg_close = m_close;
		 var name = document.getElementById('opt-21').value;
		 var content = document.getElementById('opt-11').value;
		 var phone = document.getElementById('opt-31').value;
		 var email = document.getElementById('opt-41').value;
		 if ((name == '') || (content == '') || (email == '')) { alert(fillmsg); return false; }		 
		 if (!echeck(email, alertmsg)) return false;
		 
		 document.getElementById('opt-21').style.visibility = 'hidden';
		 document.getElementById('opt-11').style.visibility = 'hidden';
		 document.getElementById('opt-31').style.visibility = 'hidden';
		 document.getElementById('opt-41').style.visibility = 'hidden';
		 document.getElementById('txtReqFields').style.visibility = 'hidden';
		 document.getElementById('txtopt-11').style.visibility = 'hidden';		 
		 document.getElementById('txtopt-31').style.visibility = 'hidden';
		 document.getElementById('txtopt-21').style.visibility = 'hidden';
		 document.getElementById('txtopt-41').style.visibility = 'hidden';
		 
		 document.getElementById('sentOk').innerHTML = lang;
		 http_request = false;
		 
		 if (m_close == 'Close') var lng = 'en';
		 else var lng = 'lt';
		 
		 url='index.html';
		 if (window.XMLHttpRequest) {
			 http_request = new XMLHttpRequest();
			 if (http_request.overrideMimeType) {
				 http_request.overrideMimeType('text/html');
			 }
		 } else if (window.ActiveXObject) {
			 try {
				 http_request = new ActiveXObject("Msxml2.XMLHTTP");
			 } catch (e) {
				 try {
					 http_request = new ActiveXObject("Microsoft.XMLHTTP");
				 } catch (e) {}
			 }
		 }
		 if (!http_request) {
			 alert('Cannot create XMLHTTP instance');
			 return false;
		 }
		 http_request.onreadystatechange = alertSavedComment;
		 dt='&dt='+new Date().getTime();
		 http_request.open('GET', url + "?saveComment=1&name="+ name + "&email=" + email + "&phone=" + phone + "&content=" + content + "&lng=" + lng + dt, true);
		 http_request.send(null);
}

function saveSubs(lang, msg_wrongemail, msg_fillemail, m_close, m_send) {
	
		 if (subscriptionSent) {
			 restartSubForm(m_send);
			 return true;
		 }

		 msg_close = m_close;
		 
		 var news = document.getElementById('opt-nauj').checked;
		 var pubs = document.getElementById('opt-pub').checked;
		 var email = document.getElementById('opt-mail').value;
		 if (email == '') { alert(msg_fillemail); return false; }
		 if (!echeck(email, msg_wrongemail)) return false;
		 
		 document.getElementById('opt-nauj').style.visibility = 'hidden';
		 document.getElementById('opt-pub').style.visibility = 'hidden';
		 document.getElementById('opt-mail').style.visibility = 'hidden';
		 document.getElementById('txtopt-nauj').style.visibility = 'hidden';
		 document.getElementById('txtopt-pub').style.visibility = 'hidden';
		 document.getElementById('txtopt-mail').style.visibility = 'hidden';
		 
 		 document.getElementById('sentPubOk').innerHTML = lang;

		 http_request = false;
		 url = 'index.html';
		 
		 if (m_close == 'Close') var lng = 'en';
		 else var lng = 'lt';
		 		 
		 if (window.XMLHttpRequest) {
			 http_request = new XMLHttpRequest();
			 if (http_request.overrideMimeType) {
				 http_request.overrideMimeType('text/html');
			 }
		 } else if (window.ActiveXObject) {
			 try {
				 http_request = new ActiveXObject("Msxml2.XMLHTTP");
			 } catch (e) {
				 try {
					 http_request = new ActiveXObject("Microsoft.XMLHTTP");
				 } catch (e) {}
			 }
		 }
		 if (!http_request) {
			 alert('Cannot create XMLHTTP instance');
			 return false;
		 }
		 http_request.onreadystatechange = alertSavedSubs;
		 dt='&dt='+new Date().getTime();
		 http_request.open('GET', url + "?saveSubscription=1&email="+ email + "&pubs=" + pubs + "&news=" + news + "&lng=" + lng + dt, true);
		 http_request.send(null);
}

function restartSendForm(m_send) {
		 questionSent = false;
		 document.getElementById('opt-21').style.visibility = 'visible';
		 document.getElementById('opt-11').style.visibility = 'visible';
		 document.getElementById('opt-31').style.visibility = 'visible';
		 document.getElementById('opt-41').style.visibility = 'visible';
		 document.getElementById('txtReqFields').style.visibility = 'visible';
		 document.getElementById('txtopt-11').style.visibility = 'visible';		 
		 document.getElementById('txtopt-31').style.visibility = 'visible';
		 document.getElementById('txtopt-21').style.visibility = 'visible';
		 document.getElementById('txtopt-41').style.visibility = 'visible';
 		 document.getElementById('sentOk').innerHTML = '';
		 document.getElementById('btnGuestbookSend').value = m_send;
		 toggle('fullscreen');
		 toggle('popup-jk');
}

function restartSubForm(m_send) {
		 subscriptionSent = false;
		 document.getElementById('opt-nauj').style.visibility = 'visible';
		 document.getElementById('opt-pub').style.visibility = 'visible';
		 document.getElementById('opt-mail').style.visibility = 'visible';
		 document.getElementById('txtopt-nauj').style.visibility = 'visible';
		 document.getElementById('txtopt-pub').style.visibility = 'visible';
		 document.getElementById('txtopt-mail').style.visibility = 'visible';	 
		 document.getElementById('sentPubOk').innerHTML = '';
		 document.getElementById('prenumeruoti').value = m_send;
		 toggle('fullscreen');
		 toggle('popup-sub');
}

function changeBullter(id) {
		 if (document.getElementById(id).alt == '+') {
			 document.getElementById(id).src = document.getElementById('imgMinus').src;
			 document.getElementById(id).alt = '-';
		 } else {
			 document.getElementById(id).src = document.getElementById('imgPlus').src;
			 document.getElementById(id).alt = '+';
		 }
}

function checkForm(lang) {
		 var req_fields = document.getElementById('required_fields').value.split(';'); 
		 for (var i = 0; i < req_fields.length; i++) {
			  if (document.getElementById(req_fields[i]).value == '') {
			  	alert(lang);
				return false;
			  }
		 }
		 return false;
}

function checkBoxClick(cid, id) {
	if (document.getElementById(cid).checked) {
		document.getElementById(id).value = 'Taip';
	} else {
		document.getElementById(id).value = 'Ne';
	}
}