var TimeoutFeedBack;
function setActPas(obj)
{
if (obj.parentNode.className.length==8)
	obj.parentNode.className = 'question active';
else
	obj.parentNode.className = 'question';
}

function showFeedback() {
	var popupie = document.getElementById("popupie");
	var dark = document.getElementById("dark");
	var feedback = document.getElementById("feedback");

	setElementOpacity(dark, 0.0);
	setElementOpacity(popupie, 0.0);
	setElementOpacity(feedback, 0.0);

	dark.style.display = "block";
	popupie.style.display = "block";
	feedback.style.display = "block";
	

	fadeOpacity.addRule('oR1', 0.0, 1, 30);
	fadeOpacity('dark', 'oR1');
	fadeOpacity('popupie', 'oR1')
	fadeOpacity('feedback', 'oR1')
	
	document.getElementById("message-send").style.display = "none";
	document.getElementById("mail-send").style.display = "";
}

function hideFeedback() {
	var popupie = document.getElementById("popupie");
	var dark = document.getElementById("dark");
	var feedback = document.getElementById("feedback");
	
	setElementOpacity(dark, 1.0);
	setElementOpacity(popupie, 1.0);
	setElementOpacity(feedback, 1.0);
	
	fadeOpacity.addRule('oR2', 1, 0.0, 30);
	fadeOpacity('dark', 'oR2');
	fadeOpacity('popupie', 'oR2')
	fadeOpacity('feedback', 'oR2')

}

function SendTheFeed(obj){
	if (trim(obj.utext.value)==""){
		alert("Укажите текст вопроса");
		return;
	}
	var timeobj = document.getElementById("feedimg");
	var sendobj = document.getElementById("feedbutton");
	var sentmessobj = document.getElementById("message-sent");
	var date=new Date();
	if (sentmessobj) sentmessobj.style.display = 'none';
	sendobj.style.display = "none";
	timeobj.style.display = "";
	requrl = "/inc/sendmail.php?text="+encodeURI(obj.utext.value)+"&uniq=" +date.getTime();
	var XHttpRequest = (window.XMLHttpRequest) ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");
	if (XHttpRequest){
		XHttpRequest.onreadystatechange = function(){ 
			if (XHttpRequest.readyState == 4) 
				if (XHttpRequest.status == 200){
					newval = XHttpRequest.responseText;
					sendobj.style.display = "";
					timeobj.style.display = "none";
					obj.utext.value = "";
					if (sentmessobj) sentmessobj.style.display = '';
					return XHttpRequest.responseText;
				}
				else{
					alert("Ошибка. Попробуйте позднее");
					sendobj.style.display = "";
					timeobj.style.display = "none";
					if (sentmessobj) sentmessobj.style.display = 'none';
					return false;
				}
		};
		XHttpRequest.open("GET", requrl, true);
		XHttpRequest.send("null");
	}
}

function SendFeedBack(obj){
	if (trim(obj.uname.value)==""){
		alert("Представьтесь, пожалуйста");
		return;
	}
	if (!emailCheck(obj.umail.value)){
		alert("Укажите корректный адрес электронной почты");
		return;
	}
	if (trim(obj.utext.value)==""){
		alert("Укажите текст сообщения");
		return;
	}
	var timeobj = document.getElementById("wait");
	var sendobj = document.getElementById("mail-send");
	var sentmessobj = document.getElementById("message-send");
	var date=new Date();
	sendobj.style.display = "none";
	timeobj.style.display = "";
	sentmessobj.style.display = 'none';
	requrl = "/inc/sendfeed.php?text="+encodeURI(obj.utext.value)+"&name="+encodeURI(obj.uname.value)+"&mail="+encodeURI(obj.umail.value)+"&uniq=" +date.getTime();
	var XHttpRequest = (window.XMLHttpRequest) ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");
	if (XHttpRequest){
		XHttpRequest.onreadystatechange = function(){ 
			if (XHttpRequest.readyState == 4) 
				if (XHttpRequest.status == 200){
					newval = XHttpRequest.responseText;
					sendobj.style.display = "none";
					timeobj.style.display = "none";
					sentmessobj.style.display = "";
					obj.utext.value = "";
					TimeoutFeedBack = setTimeout("FeedBackTimeout()",3000);
					return XHttpRequest.responseText;
				}
				else{
					alert("Ошибка. Попробуйте позднее");
					sendobj.style.display = "";
					timeobj.style.display = "none";
					return false;
				}
		};
		XHttpRequest.open("GET", requrl, true);
		XHttpRequest.send("null");
	}
}

function FeedBackTimeout()
{
	clearTimeout(TimeoutFeedBack);
	hideFeedback();
}

function	emailCheck (emailStr) 
{
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) return false;
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++)	if (user.charCodeAt(i)>127) 	return false;
	for (i=0; i<domain.length; i++)	if (domain.charCodeAt(i)>127)	return false;
	if (user.match(userPat)==null) 	return false;
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {	for (var i=1;i<=4;i++) if (IPArray[i]>255) return false;
		return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) if (domArr[i].search(atomPat)==-1)	return false;
	if (checkTLD && domArr[domArr.length-1].length!=2 &&	domArr[domArr.length-1].search(knownDomsPat)==-1)			return false;
	if (len<2)		return false;
	return true;
}

function	trim(s)
{
	return 	s.replace(/^(\s*)/,"$`").replace(/(\s*)$/,"$'");
}