/* custom alert based on jquery.lightbox */
function customAlert(txt,settings) {
	
		settings = jQuery.extend({
			overlayBgColor: 		'#000',		
			overlayOpacity:			0.6,		
			fixedNavigation:		false,		
			containerBorderSize:	10,			
			containerResizeSpeed:	50		
		},settings);
		
		$('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox"><div id="lightbox-alert-box"><div>'+txt+'<a href="javascript:;" class="btn btn_more"><span>bezár</span></a></div></div></div>');	
			
		var arrPageSizes = ___getPageSize();
		$('#jquery-overlay').css({
			backgroundColor:	settings.overlayBgColor,
			opacity:			settings.overlayOpacity,
			width:				arrPageSizes[0],
			height:				arrPageSizes[1]
		}).fadeIn('fast');
		var arrPageScroll = ___getPageScroll();
		$('#jquery-lightbox').css({
			top:	arrPageScroll[1] + (arrPageSizes[3] / 10),
			left:	arrPageScroll[0]
		}).show();
		
		$('#jquery-overlay,#jquery-lightbox,#lightbox-alert-box a.btn').click(function() {
			$('#jquery-lightbox').remove();
			$('#jquery-overlay').fadeOut('fast',function(){$('#jquery-overlay').remove();});
		});

		$(window).resize(function() {
			var arrPageSizes = ___getPageSize();
			$('#jquery-overlay').css({
				width:		arrPageSizes[0],
				height:		arrPageSizes[1]
			});
			var arrPageScroll = ___getPageScroll();
			$('#jquery-lightbox').css({
				top:	arrPageScroll[1] + (arrPageSizes[3] / 10),
				left:	arrPageScroll[0]
			});
		});
	
}

/**
 * getPageSize() by quirksmode.com
 */
function ___getPageSize() {
	var xScroll, yScroll;
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = window.innerWidth + window.scrollMaxX;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			windowWidth = self.innerWidth;
		}
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}
	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = xScroll;		
	} else {
		pageWidth = windowWidth;
	}
	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
	return arrayPageSize;
};

/**
 * getPageScroll() by quirksmode.com
 */
function ___getPageScroll() {
	var xScroll, yScroll;
	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
		xScroll = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop) {	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
		xScroll = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
		xScroll = document.body.scrollLeft;	
	}
	arrayPageScroll = new Array(xScroll,yScroll);
	return arrayPageScroll;
};