// Ajax

var loadstatustext      = "<center><div style='height:200px;'>&nbsp;</div><img src='/sklep/ajax/loading.gif' /> Pobieram dane...</center>"

function ajaxGetRequest(url, id) {
    //if (document.getElementById) {
	var x = (window.ActiveXObject) ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
    //}
    if (x) {
	x.onreadystatechange = function() {
	    if (x.readyState == 4 && x.status == 200) {
		el = document.getElementById(id);
		el.innerHTML = x.responseText;
		changeStatus('');
		initLightbox();
	    }
	}
	document.getElementById(id).innerHTML = loadstatustext;
	x.open("GET", url, true);
	x.send(null);
    }
}

function ajaxPOSTRequest(url, id, parameters) {
    var x = false;
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
	x = new XMLHttpRequest();
	if (x.overrideMimeType) {
         	// set type accordingly to anticipated content type
        	//x.overrideMimeType('text/xml');
	    x.overrideMimeType('text/html');
	}
    } else if (window.ActiveXObject) { // IE
	try {
	    x = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
            try {
        	x = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
	}
    }
    if (!x) {
        alert('Cannot create XMLHTTP instance');
        return false;
    }
    x.onreadystatechange = function() {
	if (x.readyState == 4 && x.status == 200) {
	    el = document.getElementById(id);
	    el.innerHTML = x.responseText;
	    initLightbox();
	}
    }
    document.getElementById(id).innerHTML = loadstatustext
    x.open('POST', url, true);
    x.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    x.setRequestHeader("Accept-Charset", "UTF-8,*");
    x.setRequestHeader("Content-length", parameters.length);
    x.setRequestHeader("Connection", "close");
    x.send(parameters);
}

function send2 (url, form) {
    var poststr = "";
    for (i=0; i < form.length; i++) {
	if ( form.elements[i].type == "checkbox" ) {
	    if (form.elements[i].checked) { poststr +=  encodeURI( form.elements[i].name + "=" + form.elements[i].value + "&"); }
	} else {
	    poststr +=  encodeURI( form.elements[i].name + "=" + form.elements[i].value + "&");
	}
    }
    ajaxPOSTRequest(url, 'content2', poststr);
}

function toggleLayer(whichLayer, show) {
    var s;
    if (document.getElementById) {
	s = document.getElementById(whichLayer).style;	// this is the way the standards work	
    } else if (document.all) {
	s = document.all[whichLayer].style;	// this is the way old msie versions work
    } else if (document.layers) {
	s = document.layers[whichLayer].style;	// this is the way nn4 works
    }
    //s.display = s.display? "":"block";
    s.display = show? "block":"";
}

function switchToLayer(layer) {
    toggleLayer('content', false);
    toggleLayer('content2', false);
    toggleLayer(layer, true);
}

function load (url, page) {
    if (page) url = url + "/" + page;
    switchToLayer('content');
    ajaxGetRequest(url, 'content');
    //ajaxpage(url, 'content');
}

function load2 (url, page) {
    if (page) url = url + "/" + page;
    switchToLayer('content2');
    ajaxGetRequest(url, 'content2');
    //ajaxpage(url, 'content2');
}

function selectLang(base, lang) {
    document.location = '/' + lang + '/';
}

function changeStatus(text) {
    window.status = text;
    return true;
}

function changeValue(x) {
    var name  = x.name;
    var value = x.value;
    if (value == "" ) {
        x.style.background = "#ffa0a0";
    } else {
        x.style.background = "#ffffff";
    }
    return true;
}

// Banner

var objBanner		= null;
var objBannerId		= 1;
var objBannerMax	= 0;

function initBanner() {
    objBanner = document.getElementById('contentBanner');
    if ( W3CDOM && objBanner ) {
	var as      = objBanner.getElementsByTagName('div');
	for (var i = 0; i < as.length; i++) if (as[i].className.match(/(^|\s)blokBanner(\s|$)/)) ++objBannerMax;
	rotateBanner();
    }
}

function rotateBanner() {
    var el1	= document.getElementById('banner' + objBannerId);
    objBannerId	= (objBannerId < objBannerMax ) ? ++objBannerId : 1;
    var el2	= document.getElementById('banner' + objBannerId);
    hideAds(el1);
    showAds(el2);
    initFade();
    setTimeout("rotateBanner()", 15000);
}

// ADS

var W3CDOM	= (document.createElement && document.getElementsByTagName);
var objAds	= null;
var objId	= 1;
var objMax	= 0;

function initAds() {
    objAds = document.getElementById('contentAds');
    if ( W3CDOM && objAds ) {
	var as      = objAds.getElementsByTagName('div');
	for (var i = 0; i < as.length; i++) if (as[i].className.match(/(^|\s)blokAds(\s|$)/)) ++objMax;
	rotateAds();
    }
}

function rotateAds() {
    var el1	= document.getElementById('ads' + objId);
    objId	= (objId < objMax ) ? ++objId : 1;
    var el2	= document.getElementById('ads' + objId);
    hideAds(el1);
    showAds(el2);
    initFade();
    setTimeout("rotateAds()", 5000);
}

function showAds(obj) {
    obj.style.display = 'block';
}

function hideAds(obj) {
    obj.style.display = 'none';
}

function initFade() {
    for (var i = 0; i <= 10; i++) setTimeout('setOpacity(' + i + ')', 50*i);
    return false;
}

function setOpacity(value) {
	objAds.style.opacity = value / 10;
	objAds.style.filter = 'alpha(opacity=' + value * 10 + ')';
}

function startup() {
    initAds();
    initBanner();
}

window.onload = startup;


// Form check

function checkForm (form) {
    var invalid = null;
    var text	= "";
    if (form.fname.value == "" ) { invalid = form.fname; text = "Prosze podac swoje imie."; }
    if (form.lname.value == "" ) { invalid = form.lname; text = "Prosze podac swoje nazwisko."; }
    if (form.phone.value == "" ) { invalid = form.phone; text = "Prosze poprawnie podac swoj numer telefonu."; }
    if (! emailCheck(form.email.value) ) { invalid = form.email; text = "Prosze poprawnie podac swoj email."; }
    
    if (form.address.value == "" ) { invalid = form.address; text = "Prosze podac ulice/numer domu/numer mieszkania."; }
    if (form.zip.value == "" ) { invalid = form.zip; text = "Prosze poprawnie podac kod pocztowy."; }
    if (form.city.value == "" ) { invalid = form.city; text = "Prosze podac nazwe miejscowosci."; }
    if (form.state.value == "" ) { invalid = form.state; text = "Prosze wybrac wojewodztwo."; }
    
    if ( ! form.zgoda_na_przetwarzanie.checked ) { invalid = form.zgoda_na_przetwarzanie; text = "Twoja zgoda na przetwarzanie danych\nw celu realizacji zamowienia jest wymagana\nprzy jego skladaniu."; }

    if (invalid) {
	alert (text);
	invalid.style.background="#ffa0a0";
	invalid.focus();
        return false;
    } else {
	return true;
    }
}

function emailCheck (emailStr) {
/* The following pattern is used to check if the entered e-mail address fits the user@domain format.  It also is used to separate the username from the domain. */
var emailPat=/^(.+)@(.+)$/
/* The following string represents the pattern for matching all special characters.  We don't want to allow special characters in the address. These characters include ( ) < > @ , ; : \ " . [ ]    */
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
/* The following string represents the range of characters allowed in a username or domainname.  It really states which chars aren't allowed. */
var validChars="\[^\\s" + specialChars + "\]"
/* The following pattern applies if the "user" is a quoted string (in
   which case, there are no rules about which characters are allowed
   and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
   is a legal e-mail address. */
var quotedUser="(\"[^\"]*\")"
/* The following pattern applies for domains that are IP addresses,
   rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
   e-mail address. NOTE: The square brackets are required. */
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
/* The following string represents an atom (basically a series of
   non-special characters.) */
var atom=validChars + '+'
/* The following string represents one word in the typical username.
   For example, in john.doe@somewhere.com, john and doe are words.
   Basically, a word is either an atom or quoted string. */
var word="(" + atom + "|" + quotedUser + ")"
// The following pattern describes the structure of the user
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
/* The following pattern describes the structure of a normal symbolic
   domain, as opposed to ipDomainPat, shown above. */
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")

/* Finally, let's start trying to figure out if the supplied address is valid. */

/* Begin with the coarse pattern to simply break up user@domain into different pieces that are easy to analyze. */
var matchArray=emailStr.match(emailPat)
if (matchArray==null) {
  /* Too many/few @'s or something; basically, this address doesn't even fit the general mould of a valid e-mail address. */
	//alert("Email address seems incorrect (check @ and .'s)")
	return false
}
var user=matchArray[1]
var domain=matchArray[2]

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

/* if the e-mail address is at an IP address (as opposed to a symbolic host name) make sure the IP address is valid. */
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
    // this is an IP address
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
	        //alert("Destination IP address is invalid!")
		return false
	    }
    }
    return true
}

// Domain is symbolic name
var domainArray=domain.match(domainPat)
if (domainArray==null) {
    //alert("The domain name doesn't seem to be valid.")
    return false
}

/* domain name seems valid, but now make sure that it ends in a
   three-letter word (like com, edu, gov) or a two-letter word,
   representing country (uk, nl), and that there's a hostname preceding 
   the domain or country. */

/* Now we need to break up the domain to get a count of how many atoms it consists of. */
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>3) {
   // the address must end in a two letter or three letter word.
   //alert("The address must end in a three-letter domain, or two letter country.")
   return false
}

// Make sure there's a host name preceding the domain.
if (len<2) {
    var errStr="This address is missing a hostname!"
    //alert(errStr)
    return false
}
	 
    // If we've gotten this far, everything's valid!
    return true;
}