function emailCheck (emailStr) {
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum|ro|eu)$/;
	var emailPat=/^(.+)@(.+)$/;
	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) {
//		alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
//			alert("Ths username contains invalid characters.");
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
//			alert("Ths domain name contains invalid characters.");
			return false;
		}
	}

	if (user.match(userPat)==null) {
//		alert("The username doesn't seem to be valid.");
		return false;
	}

	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
//				alert("Destination IP address is invalid!");
				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) {
//			alert("The domain name does not seem to be valid.");
			return false;
		}
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) {
//		alert("The address must end in a well-known domain or two letter " + "country.");
		return false;
	}
	if (len<2) {
//		alert("This address is missing a hostname!");
		return false;
	}
	return true;
}

// base64 encode/decode functions

function urlDecode(str){
    str=str.replace(new RegExp('\\+','g'),' ');
    return unescape(str);
}
function urlEncode(str){
    str=escape(str);
    str=str.replace(new RegExp('\\+','g'),'%2B');
    return str.replace(new RegExp('%20','g'),'+');
}

var END_OF_INPUT = -1;

var base64Chars = new Array(
    'A','B','C','D','E','F','G','H',
    'I','J','K','L','M','N','O','P',
    'Q','R','S','T','U','V','W','X',
    'Y','Z','a','b','c','d','e','f',
    'g','h','i','j','k','l','m','n',
    'o','p','q','r','s','t','u','v',
    'w','x','y','z','0','1','2','3',
    '4','5','6','7','8','9','+','/'
);

var reverseBase64Chars = new Array();
for (var i=0; i < base64Chars.length; i++){
    reverseBase64Chars[base64Chars[i]] = i;
}

var base64Str;
var base64Count;
function setBase64Str(str){
    base64Str = str;
    base64Count = 0;
}
function readBase64(){    
    if (!base64Str) return END_OF_INPUT;
    if (base64Count >= base64Str.length) return END_OF_INPUT;
    var c = base64Str.charCodeAt(base64Count) & 0xff;
    base64Count++;
    return c;
}
function encodeBase64(str){
    setBase64Str(str);
    var result = '';
    var inBuffer = new Array(3);
    var lineCount = 0;
    var done = false;
    while (!done && (inBuffer[0] = readBase64()) != END_OF_INPUT){
        inBuffer[1] = readBase64();
        inBuffer[2] = readBase64();
        result += (base64Chars[ inBuffer[0] >> 2 ]);
        if (inBuffer[1] != END_OF_INPUT){
            result += (base64Chars [(( inBuffer[0] << 4 ) & 0x30) | (inBuffer[1] >> 4) ]);
            if (inBuffer[2] != END_OF_INPUT){
                result += (base64Chars [((inBuffer[1] << 2) & 0x3c) | (inBuffer[2] >> 6) ]);
                result += (base64Chars [inBuffer[2] & 0x3F]);
            } else {
                result += (base64Chars [((inBuffer[1] << 2) & 0x3c)]);
                result += ('=');
                done = true;
            }
        } else {
            result += (base64Chars [(( inBuffer[0] << 4 ) & 0x30)]);
            result += ('=');
            result += ('=');
            done = true;
        }
        lineCount += 4;
        if (lineCount >= 76){
            result += ('\n');
            lineCount = 0;
        }
    }
    return result;
}
function readReverseBase64(){   
    if (!base64Str) return END_OF_INPUT;
    while (true){      
        if (base64Count >= base64Str.length) return END_OF_INPUT;
        var nextCharacter = base64Str.charAt(base64Count);
        base64Count++;
        if (reverseBase64Chars[nextCharacter]){
            return reverseBase64Chars[nextCharacter];
        }
        if (nextCharacter == 'A') return 0;
    }
    return END_OF_INPUT;
}

function ntos(n){
    n=n.toString(16);
    if (n.length == 1) n="0"+n;
    n="%"+n;
    return unescape(n);
}

function decodeBase64(str){
    setBase64Str(str);
    var result = "";
    var inBuffer = new Array(4);
    var done = false;
    while (!done && (inBuffer[0] = readReverseBase64()) != END_OF_INPUT
        && (inBuffer[1] = readReverseBase64()) != END_OF_INPUT){
        inBuffer[2] = readReverseBase64();
        inBuffer[3] = readReverseBase64();
        result += ntos((((inBuffer[0] << 2) & 0xff)| inBuffer[1] >> 4));
        if (inBuffer[2] != END_OF_INPUT){
            result +=  ntos((((inBuffer[1] << 4) & 0xff)| inBuffer[2] >> 2));
            if (inBuffer[3] != END_OF_INPUT){
                result +=  ntos((((inBuffer[2] << 6)  & 0xff) | inBuffer[3]));
            } else {
                done = true;
            }
        } else {
            done = true;
        }
    }
    return result;
}

var digitArray = new Array('0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f');
function toHex(n){
    var result = ''
    var start = true;
    for (var i=32; i>0;){
        i-=4;
        var digit = (n>>i) & 0xf;
        if (!start || digit != 0){
            start = false;
            result += digitArray[digit];
        }
    }
    return (result==''?'0':result);
}

function pad(str, len, pad){
    var result = str;
    for (var i=str.length; i<len; i++){
        result = pad + result;
    }
    return result;
}

function encodeHex(str){
    var result = "";
    for (var i=0; i<str.length; i++){
        result += pad(toHex(str.charCodeAt(i)&0xff),2,'0');
    }
    return result;
}

function decodeHex(str){
    str = str.replace(new RegExp("s/[^0-9a-zA-Z]//g"));
    var result = "";
    var nextchar = "";
    for (var i=0; i<str.length; i++){
        nextchar += str.charAt(i);
        if (nextchar.length == 2){
            result += ntos(eval('0x'+nextchar));
            nextchar = "";
        }
    }
    return result;
    
}

// base64 encode/decode funtions end
function makeRequest(url, div, event) {
	Event.unloadCache;
	var http_request = false;

	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			http_request.overrideMimeType('text/xml');
			// See note below about this line
		}
	} else if (window.ActiveXObject) { // IE
		try {
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}

	if (!http_request) {
		alert('Giving up :( Cannot create an XMLHTTP instance');
		return false;
	}
	http_request.onreadystatechange = function() { alertContents(http_request, div, event); };
	http_request.open('GET', url, true);
	http_request.send(null);
}

function alertContents(http_request, div, event) {
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			if (event!='image_over') document.getElementById(div).innerHTML=http_request.responseText;
			initialize_wing();
			if (event!='')
			{
				if (event=='scroll')
				{
					if ( document.getElementById && document.getElementsByTagName ) {
						init_dw_Scroll();
					}
				}
				if (event=='image_over')
				{
					document.getElementById('image_over').src = http_request.responseText;
				}
			}
		} else {
			alert('There was a problem with the request.');
		}
	}
}

function choose_building(id_building){
	makeRequest('/search/search_left_01.inc.php?id_building='+id_building, 'changable_content', '');
	makeRequest('/search/search_right_02.inc.php?id_building='+id_building, 'changable_content_right', '');
}

function choose_building_en(id_building){
	makeRequest('/search_en/search_left_01.inc.php?id_building='+id_building, 'changable_content', '');
	makeRequest('/search_en/search_right_02.inc.php?id_building='+id_building, 'changable_content_right', '');
}

function set_search_options(){
	var nr_camere = parseInt(document.getElementById('nr_camere')[document.getElementById('nr_camere').selectedIndex].value);
	var buget_min = parseInt(document.getElementById('buget_min')[document.getElementById('buget_min').selectedIndex].value);
	var buget_max = parseInt(document.getElementById('buget_max')[document.getElementById('buget_max').selectedIndex].value);
	var id_building = parseInt(document.getElementById('id_building').value);

	if (buget_min>=buget_max){
		alert ('Valoarea minima trebuie sa fie mai mica decat valoarea maxima !');
		return false;
	}

	makeRequest('/search/search_left_03.inc.php?id_building='+id_building+'&nr_camere='+nr_camere+'&buget_min='+buget_min+'&buget_max='+buget_max, 'changable_content', 'scroll');
}

function set_search_options_en(){
	var nr_camere = parseInt(document.getElementById('nr_camere')[document.getElementById('nr_camere').selectedIndex].value);
	var buget_min = parseInt(document.getElementById('buget_min')[document.getElementById('buget_min').selectedIndex].value);
	var buget_max = parseInt(document.getElementById('buget_max')[document.getElementById('buget_max').selectedIndex].value);
	var id_building = parseInt(document.getElementById('id_building').value);

	if (buget_min>=buget_max){
		alert ('The minim values must be smaller than maxim value !');
		return false;
	}

	makeRequest('/search_en/search_left_03.inc.php?id_building='+id_building+'&nr_camere='+nr_camere+'&buget_min='+buget_min+'&buget_max='+buget_max, 'changable_content', 'scroll');
}

function print_img(id_ap){
	eval(window.open('/search/print.php?id_ap='+id_ap, 'popUpWindow', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=847,height=601,left = 50,top = 50'));
//	alert (document.getElementById('print_img').value);
}

function print_img_en(id_ap){
	eval(window.open('/search_en/print.php?id_ap='+id_ap, 'popUpWindow', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=847,height=601,left = 50,top = 50'));
//	alert (document.getElementById('print_img').value);
}

function send_friend(){
	var nume = document.getElementById('nume').value;
	var email_prieten = document.getElementById('email_prieten').value;
	var email = document.getElementById('email').value;

	if (nume=='')
	{
		alert ('Trebuie sa va specificati numele !');
		document.getElementById('nume').focus();
		return false;
	}
	if (!emailCheck(email_prieten))
	{
		alert ('Adresa de email a prietenului nu este corecta !');
		document.getElementById('email_prieten').focus();
		return false;
	}
	if (!emailCheck(email))
	{
		alert ('Adresa de email a Dvs. nu este corecta !');
		document.getElementById('email').focus();
		return false;
	}

	document.getElementById('nume').value='';
	document.getElementById('email_prieten').value='';
	document.getElementById('email').value='';

	nume = encodeBase64(nume);
	email_prieten = encodeBase64(email_prieten);
	email = encodeBase64(email);
	var image = encodeBase64(document.getElementById('image_mail').value);
	alert (document.getElementById('image_mail').value);

	makeRequest('/search/send_friend.inc.php?nume='+nume+'&email_prieten='+email_prieten+'&email='+email+'&image='+image, 'send_meil_message', '');

	document.getElementById('send_meil').className='hidden';
	document.getElementById('send_meil_message').className='shown';
}

function send_friend_en(){
	var nume = document.getElementById('nume').value;
	var email_prieten = document.getElementById('email_prieten').value;
	var email = document.getElementById('email').value;

	if (nume=='')
	{
		alert ('You must specify your name !');
		document.getElementById('nume').focus();
		return false;
	}
	if (!emailCheck(email_prieten))
	{
		alert ('Friend email address is not valid !');
		document.getElementById('email_prieten').focus();
		return false;
	}
	if (!emailCheck(email))
	{
		alert ('Email address is not valid !');
		document.getElementById('email').focus();
		return false;
	}

	document.getElementById('nume').value='';
	document.getElementById('email_prieten').value='';
	document.getElementById('email').value='';

	nume = encodeBase64(nume);
	email_prieten = encodeBase64(email_prieten);
	email = encodeBase64(email);
	var image = encodeBase64(document.getElementById('image_mail').value);
	alert (document.getElementById('image_mail').value);

	makeRequest('/search_en/send_friend.inc.php?nume='+nume+'&email_prieten='+email_prieten+'&email='+email+'&image='+image, 'send_meil_message', '');

	document.getElementById('send_meil').className='hidden';
	document.getElementById('send_meil_message').className='shown';
}

function send_cart(email, completed){
	makeRequest('/search/send_cart.inc.php?email='+encodeBase64(email)+'&completed='+completed, 'changable_content', '');
}

function send_cart_en(email, completed){
	makeRequest('/search_en/send_cart.inc.php?email='+encodeBase64(email)+'&completed='+completed, 'changable_content', '');
}

function return_select(){
	makeRequest('/search/search_left_01.inc.php', 'changable_content', '');
}

function return_select_en(){
	makeRequest('/search_en/search_left_01.inc.php', 'changable_content', '');
}

function add_to_cart(){
	makeRequest('/search/add_to_cart.inc.php?id_ap='+document.getElementById('id_ap').value, 'null', '');
	error ('Apartamentul a fost adaugat cosului de cumparaturi !');
}

function add_to_cart_en(){
	makeRequest('/search_en/add_to_cart.inc.php?id_ap='+document.getElementById('id_ap').value, 'null', '');
	error ('The apartment was added to shopping cart !');
}

function delete_from_cart(id_ap){
	makeRequest('/search/delete_from_cart.inc.php?id_ap='+id_ap, 'null', '');
	setTimeout ('refresh_cart()', 500);
	error ('Apartamentul a fost sters din cosul de cumparaturi !');
}

function delete_from_cart_en(id_ap){
	makeRequest('/search_en/delete_from_cart.inc.php?id_ap='+id_ap, 'null', '');
	setTimeout ('refresh_cart()', 500);
	error ('The apartment was deleted from shopping cart !');
}


function refresh_cart(){
	makeRequest('/search/content_cos_01.inc.php', 'changable_content', 'scroll');
}

function refresh_cart_en(){
	makeRequest('/search_en/content_cos_01.inc.php', 'changable_content', 'scroll');
}

// functions for cart messages

// onmouseover floating layer functions
var cX = 0; var cY = 0;
function UpdateCursorPosition(e){
	cX = e.pageX;
	cY = e.pageY;
}
function UpdateCursorPositionDocAll(e){
	cX = event.clientX;
	cY = event.clientY;
}
if(document.all) {
	document.onmousemove = UpdateCursorPositionDocAll;
}
else {
	document.onmousemove = UpdateCursorPosition;
}
function AssignPosition(d) {
	d.style.left = (cX+10) + "px";
	d.style.top = (cY+10) + "px";
}
function HideContent(d) {
	if(d.length < 1) return;
	setTimeout("do_hide('"+d+"');", 1000);
}
function do_hide(d){
	document.getElementById(d).style.display = "none";
}
function ShowContent(d) {
	if(d.length < 1) return;
	var dd = document.getElementById(d);
	dd.style.display = "block";
}
function ReverseContentDisplay(d) {
	if(d.length < 1) return;
	var dd = document.getElementById(d);
	AssignPosition(dd);
	if(dd.style.display == "none") {
		ShowContent(d);
	}
	else {
		HideContent(d);
	}
}

function display_div(div_id){
	document.getElementById('div_exp').innerHTML = document.getElementById(div_id).innerHTML;
	document.getElementById('div_exp').style.display = "block";
}

if (document.layers) { // Netscape
    document.captureEvents(Event.MOUSEMOVE);
    document.onmousemove = captureMousePosition;
} else if (document.all) { // Internet Explorer
    document.onmousemove = captureMousePosition;
} else if (document.getElementById) { // Netcsape 6
    document.onmousemove = captureMousePosition;
}
// Global variables
xMousePos = 0; // Horizontal position of the mouse on the screen
yMousePos = 0; // Vertical position of the mouse on the screen
xMousePosMax = 0; // Width of the page
yMousePosMax = 0; // Height of the page

function captureMousePosition(e) {
    if (document.layers) {
        // When the page scrolls in Netscape, the event's mouse position
        // reflects the absolute position on the screen. innerHight/Width
        // is the position from the top/left of the screen that the user is
        // looking at. pageX/YOffset is the amount that the user has
        // scrolled into the page. So the values will be in relation to
        // each other as the total offsets into the page, no matter if
        // the user has scrolled or not.
        xMousePos = e.pageX;
        yMousePos = e.pageY;
        xMousePosMax = window.innerWidth+window.pageXOffset;
        yMousePosMax = window.innerHeight+window.pageYOffset;
    } else if (document.all) {
        // When the page scrolls in IE, the event's mouse position
        // reflects the position from the top/left of the screen the
        // user is looking at. scrollLeft/Top is the amount the user
        // has scrolled into the page. clientWidth/Height is the height/
        // width of the current page the user is looking at. So, to be
        // consistent with Netscape (above), add the scroll offsets to
        // both so we end up with an absolute value on the page, no
        // matter if the user has scrolled or not.
        xMousePos = window.event.x+document.body.scrollLeft;
        yMousePos = window.event.y+document.body.scrollTop;
        xMousePosMax = document.body.clientWidth+document.body.scrollLeft;
        yMousePosMax = document.body.clientHeight+document.body.scrollTop;
    } else if (document.getElementById) {
        // Netscape 6 behaves the same as Netscape 4 in this regard
        xMousePos = e.pageX;
        yMousePos = e.pageY;
        xMousePosMax = window.innerWidth+window.pageXOffset;
        yMousePosMax = window.innerHeight+window.pageYOffset;
    }
	if (document.getElementById('cart_messages'))
	{
//		document.getElementById('cart_messages').innerHTML = xMousePos+":"+yMousePos;
		minus=-15;
		document.getElementById('cart_messages').style.top = yMousePos+15;
		document.getElementById('cart_messages').style.left = xMousePos-minus;
	}
//	window.status = "xMousePos=" + xMousePos + ", yMousePos=" + yMousePos + ", xMousePosMax=" + xMousePosMax + ", yMousePosMax=" + yMousePosMax;
//	document.getElementById('pos').innerHTML = "xMousePos=" + xMousePos + ", yMousePos=" + yMousePos + ", xMousePosMax=" + xMousePosMax + ", yMousePosMax=" + yMousePosMax;
}

function hide (obj){
	obj.className = "hidden";
}

function show (obj){
	obj.className = "shown";
}

function error (message){
	cart_messages_obj = document.getElementById('cart_messages');
	cart_messages_obj.innerHTML = message;
	cart_messages_obj.className="shown";

	setTimeout('hide (cart_messages_obj)', 2000);
}

function change_over_img(id){
	if (id=='') document.getElementById('image_over').src = '/img/1.gif';
	else document.getElementById('image_over').src = '/image_over.php?apt_id='+id;
//	makeRequest('/image_over.php?apt_id='+id, 'image_over', 'image_over');
}