function getNextBaner(){
	if(currentBanner>=0){
		currentBanner++;
		if(currentBanner>=maxBanners) currentBanner = 0;
		$('#konferencje-banery').load('/actions/baner_get.php?number='+currentBanner);
	}
}

//***********************
function ShowSendInfo(Url_,Title_)
{
var Title_ = ( typeof Title_ != 'string' ) ? '' : Title_;
var Url_ = ( typeof Url_ != 'string' ) ? '' : Url_;
$.fancybox( '/actions/send_info.php?title='+Title_+'&url='+Url_+'&v='+new Date(),
{
'autoDimensions' : true,
'height' : 370,
'width' : 670,
'overlayOpacity' : 0.3,
'centerOnScroll' : true,
'hideOnOverlayClick' : true,
'hideOnContentClick' : false,
'showCloseButton' : true,
'enableEscapeButton' : true,
'titleShow' : false,
'titlePosition' : 'none',
'transitionIn' : 'fade',
'transitionOut' : 'none',
'type' : 'iframe'
}
);
return true;
} // ShowSendInfo()
//=======================
//***********************
function ShowBigImage(KonfId)
{
$.fancybox( '/actions/show-image.php?kid='+KonfId,
{
'autoDimensions' : true,
'height' : 900,
'width' : 670,
'overlayOpacity' : 0.3,
'centerOnScroll' : true,
'hideOnOverlayClick' : true,
'hideOnContentClick' : false,
'showCloseButton' : true,
'enableEscapeButton' : true,
'titleShow' : false,
'titlePosition' : 'none',
'transitionIn' : 'fade',
'transitionOut' : 'none',
'type' : 'iframe'
}
);
return true;
} // ShowBigImage()
//=======================
//***********************
function ShowGallery(KonfId, Gid)
{
$.fancybox( '/actions/show-gallery.php?kid='+KonfId+'&gid='+Gid,
{
'autoDimensions' : true,
'height' : 900,
'width' : 820,
'overlayOpacity' : 0.3,
'centerOnScroll' : true,
'hideOnOverlayClick' : true,
'hideOnContentClick' : false,
'showCloseButton' : true,
'enableEscapeButton' : true,
'titleShow' : false,
'titlePosition' : 'none',
'transitionIn' : 'fade',
'transitionOut' : 'none',
'type' : 'iframe'
}
);
return true;
} // ShowGallery()
//=======================
//***********************
function Download_iCalendar(Id_,Date_)
{
var Date_ = ( typeof Date_ != 'string' ) ? '' : Date_;
var Id_ = ( typeof Id_ != 'string' ) ? '' : Id_;
var File_ = 'MGG_Event_'+Date_+'_'+Id_+'.ics';
window.location.replace('/files_events/'+File_);
return true;
} // Download_iCalendar()
//======================= 

function delete_form(path)
{
	if(!confirm("Czy na pewno chcesz usunać dane?")) return;
	document.location.href=path;
}

function checkEmail(field) {
	
	var dt=document.forms.main[field];
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(dt.value))	return true;
	alert("Niepoprawny adres e-mail.");
	dt.focus();
	return false;
}

function validate_ne(name, field)
{
    if(document.forms.main[field].value.length == 0)
	{
	    alert("Pole \"" + name + "\" nie może być puste.");
		return false;
	}
	else return true;
}

/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "-";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31;
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30};
		if (i==2) {this[i] = 29};
   } 
   return this
}

function isDate(dtStr){
	if(dtStr.length < 1) return true;
	var daysInMonth = DaysArray(12);
	var pos1=dtStr.indexOf(dtCh);
	var pos2=dtStr.indexOf(dtCh,pos1+1);
	var strDay=dtStr.substring(pos2+1);
	var strMonth=dtStr.substring(pos1+1,pos2);
	var strYear=dtStr.substring(0,pos1);
	strYr=strYear;
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1);
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1);
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1);
	}
	month=parseInt(strMonth);
	day=parseInt(strDay);
	year=parseInt(strYr);
	if (pos1==-1 || pos2==-1){
		alert("Format daty musi być następujacy: rrrr-mm-dd");
		return false;
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Wprowadź poprawny dzień");
		return false;
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Wprowadź poprawny miesiąc");
		return false;
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Wprowadź poprawny rok - 4 cyfry pomiędzy "+minYear+" a "+maxYear);
		return false;
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Wprowadź poprawną datę");
		return false;
	}
	
	return true;
}

function checkDate(field){
	var dt=document.forms.main[field];
	if (isDate(dt.value)==false){
		dt.focus();
		return false;
	}
    return true;
}

function ShowNewsletterForm()
{
	$.fancybox( '/newsletter&v='+new Date(),
	{
	  'autoDimensions'	   : true,
	  'height'             : 220,
	  'width'              : 540,
	  'overlayOpacity'     : 0.3,                                
	  'centerOnScroll'     : true,
	  'hideOnOverlayClick' : true,
	  'hideOnContentClick' : false,
	  'showCloseButton'    : true,
	  'enableEscapeButton' : true,
	  'titleShow'          : false,
	  'titlePosition'	   : 'none',
	  'transitionIn'	   : 'fade',
	  'transitionOut'	   : 'none',
	  'type'			   : 'iframe'
	}
	);
	return true;
} // ShowNewsletterForm()


function printDoc(url)
{
	win = window.open(url, '_blank', 'left=1, top=1, width=800, height=900, resizable=yes, scrollbars=yes, toolbar=no, location=no, directories=no, status=yes, menubar=no');
	win.focus();
}