var checkChangePhoto = false;
//funkcja do wswietlania zdjec w karcie hotelu
function changePhoto(_file,src) {
	var i;
	for (i=1;i<4;i++) {
		if(document.getElementById('viewFrame'+i)){
			if (i==src) {
				document.getElementById('viewFrame'+i).style.border='solid 1px #E70027';
			} else {
				document.getElementById('viewFrame'+i).style.border='solid 1px #f0efef';
			}
		}
	}
	
	var _data = "file="+_file;
	var _url = "/ajax/changePhoto.php";
	httpRequest("POST",_url,true,handleChangePhotoResponse, _data);
}
//funkcja do wswietlania zdjec w karcie restauracji
function changePhotoRest(_file,src) {
	var i;
	for (i=1;i<4;i++) {
		if(document.getElementById('viewFrame'+i)){
			if (i==src) {
				document.getElementById('viewFrame'+i).style.border='solid 1px #E70027';
			} else {
				document.getElementById('viewFrame'+i).style.border='solid 1px #f0efef';
			}
		}
	}
	
	var _data = "file="+_file;
	var _url = "/ajax/changePhotoRest.php";
	httpRequest("POST",_url,true,handleChangePhotoResponse, _data);
}

// odpowiedz z serwera
function handleChangePhotoResponse() {
	if(request.readyState == 4) {
		var xmlResponse = request.responseXML;
		
		if (!xmlResponse || !xmlResponse.documentElement)
			throw("Niewłaściwa struktura1 XML:\n"+request.responseText);
		var rootNodeName = xmlResponse.documentElement.nodeName;
		if (rootNodeName == "parsererror")
			throw("Niewłaściwa struktura2 XML:\n" + request.responseText);
			
		var xmlRoot = xmlResponse.documentElement;
		if (rootNodeName != "response" || !xmlRoot.firstChild)
			throw("Niewłaściwa struktura3 XML:\n" + request.responseText);
			
		BigText = xmlRoot.firstChild.data;
		Big = document.getElementById("picturek");
		//alert(Big.src);
		Big.src = BigText;
	}
}

function fadePhoto(_file,src) {
	var height;
	var img = $('picturek');
	var strFile = new String(img.src);
	var strSrc = new String("");
	
	$('loader').style.display = '';
	height = $('picturek').height;
	
	Effect.Fade('picturek',{to: 0.001, beforeStart:setLoader('')});
	changePhoto(_file,src);
	
	do {
		var newImg = $('picturek');
		strSrc = new String(newImg.src)
		setTimeout('',4000);
	}
	while (strSrc.substr(0) != strFile.substr(0)) {}
	
	while (!isImageOk(newImg)) {
	}
	//alert(img.src);
	setTimeout("Effect.Appear('picturek',{duration: 3.0, afterFinish: setLoader('none')});",2000);
	//$('loader').style.display = 'none'
	
}

function fadePhotoRest(_file,src) {
	var height;
	var img = $('picturek');
	var strFile = new String(img.src);
	var strSrc = new String("");
	
	$('loader').style.display = '';
	height = $('picturek').height;
	
	Effect.Fade('picturek',{to: 0.001, beforeStart:setLoader('')});
	changePhotoRest(_file,src);
	
	do {
		var newImg = $('picturek');
		strSrc = new String(newImg.src)
		setTimeout('',4000);
	}
	while (strSrc.substr(0) != strFile.substr(0)) {}
	
	while (!isImageOk(newImg)) {
	}
	//alert(img.src);
	setTimeout("Effect.Appear('picturek',{duration: 3.0, afterFinish: setLoader('none')});",2000);
	//$('loader').style.display = 'none'
	
}

function isImageOk(img) {
    if (typeof img.naturalWidth != "undefined" && img.naturalWidth == 0) {
        return false;
    }
	return true;
}

function checkStr(_str) {
	var imgOld;
	var strStr = _str.substr(0);
	imgOld = document.getElementById("picturek");
	var strSrc = new String(imgOld.src);
	var strOld = strSrc.substr(strSrc.length-strStr.length);
	//alert(strOld + ' : ' + strFile);

	if (strOld == strStr) {
		return true;
	} 
	return false;
}

function setCheck(value) {
	checkChangePhoto=value;
}

function setLoader(value) {
	$('loader').style.display = value;
}

function validateReservation(src) {
	var fname = src.fname.value;
	var lname = src.lname.value;
	var email = src.email.value;
	var remail = src.remail.value;
	
	if (fname=="") {
		alert('Musisz podać swoje imię.');
		src.fname.focus();
		return false;
	}
	
	if (!lname) {
		alert('Musisz podać swoje nazwisko.');
		src.lname.focus();
		return false;
	}
	
	if (!email) {
		alert('Musisz podać adres email.');
		src.email.focus();
		return false;
	}
	
	if (!remail) {
		alert('Musisz podać ponownie adres email.');
		src.remail.focus();
		return false;
	}
	var chkemail = isValidEmail(email);
	
	if (chkemail==false) {
		alert('Podałeś niepoprawny adres email.');
		src.email.focus();
		return false;
	}
	
	if (email==remail) {
		return true;
	} else {
		alert('Podane adresy email nie są identyczne.');
		src.email.focus();
		return false;
	}
	
	return false;
}

function isValidEmail(strEmail){

	validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;

	
	if (strEmail.search(validRegExp) == -1) {

		return false;

    }


	return true; 

}

/*function addbookmark() {

	bookmarkurl="http://www.wroclaw-info.pl/"

	bookmarktitle="Wroclaw-info"

	if (document.all)

		window.external.AddFavorite(bookmarkurl,bookmarktitle)

}*/


function addbookmark(){

	var nazwa = 'Wroclaw-info';

	var url = 'http://www.wroclaw-info.pl/';

	if (window.sidebar) {
		window.sidebar.addPanel(nazwa, url, null);
	} else if (window.external) {
		window.external.AddFavorite(url, nazwa);
	}

}