var pht_slide;
var initStatus = 0;
function initPhotoBox(num, obj) {
	var num = num;
	var sess_id = session_id;
	var pict = $(obj).find('img');
	initZeroLevel();	/* блокирующий слой */
	var photos_DB = photo_db['g' + num];
	var pict_w = photos_DB[0].w + 200;
	var pict_h = photos_DB[0].h + 320;
	getPhotosData(sess_id, num, pict_w, pict_h);
}

$(window).bind('resize', function() {
	if (pht_slide == 1) {
		if (initStatus == 5) {
			initZeroLevel();
		}
	}
});
	
function initZeroLevel() {
	var w = parseInt(getDocWidth());
	var h = parseInt(getDocHeight());
	if ($.browser.msie && $.browser.version < 7 || $.browser.msie && $.browser.version == 8) {
		w = w - 21;
	}
	if ( $('#zeroLevel').length > 0 ) {
		$('#zeroLevel').css({'width' : w + 'px' , 'height' : h + 'px', 'display' : 'block'});
		if ($('#secondLevel').attr('save') != 1) {
			preloadedText(w, h);
		}
	}
	else {
		var page = $('body');
		$('<div/>').attr('id', 'zeroLevel').css($.extend({}, {
			display: 'none',
			width: w + 'px',
			height: h + 'px',
			position: 'absolute',
			left: '0px',
			top: '0px',
			zIndex: 1000
		})).appendTo(page);
		$('#zeroLevel').css('display', 'block');
		preloadedText(w, h);
	}

	if ($('#secondLevel').length > 0) {
		if ($('#secondLevel').css('display') == 'block') {
			if ($('#endPhotosLevel').length > 0) {
			}
			else {
				preloadedTextPosition(w);
			}
		}
	}
	
	if ($('#endPhotosLevel').length > 0) {
		var box = parseInt($('#endPhotosLevel').width());
		var w1 = (parseInt(getDocWidth()) - box)/2;
		var $lefty = $('#endPhotosLevel');
		if (parseInt($lefty.css('height')) > $(window).height()) {
			var h1 = $(document).scrollTop();
		}
		else {
			var h1 = parseInt($(window).height()) - parseInt($('#endPhotosLevel').height());
			h1 = h1/2 + $(document).scrollTop();
		}
		$lefty.css({'left' : w1 + 'px' , 'top' : h1});
	}
	
	initStatus = 5;
}


function preloadedText(w, h) {
	if ( $('#secondLevel').length > 0 ) {
		$('#secondLevel').css({'width' : w + 'px' , 'height' : h + 'px', 'display' : 'block'});
		preloadedTextPosition(w);
		
	}
	else {
		var page = $('body');
		$('<div/>').attr('id', 'secondLevel').css($.extend({}, {
			display: 'none',
			width: w + 'px',
			height: h + 'px',
			position: 'absolute',
			left: '0px',
			top: '0px',
			zIndex: 1001
		})).appendTo(page);
		$('#secondLevel').css('display', 'block');
		var message = '<table cellpadding="0" cellspacing="0"><tr><td style="height:300px;vertical-align:bottom;"><div class="secondLevelFly" id="layerFlyModalIntro" style="margin:auto;text-align:center;background:#FFFFFF;"><img alt="" src="../../../imgs/basic/ajaxLoader.gif" width="43" height="43" style="margin-top:120px;" /></div></td></tr></table>';
		$('#secondLevel').php(message);
		preloadedTextPosition(w);
		if ($.browser.msie && $.browser.version == 8) {
			$('#layerFlyModalIntro').css({'display' : 'block'});
		}
		else {
			$('#layerFlyModalIntro').css({'clip':'rect(150px 200px 150px 200px)', 'display' : 'block'});
			$('#layerFlyModalIntro').stop().animate({'clip':'rect(0px 400px 300px 0px)'}, 1500);
		}
		
		
	}
}

function preloadedTextPosition(w) {
	var tm = (Math.floor($(window).height()) - 300)/2;
	var top_t = $(document).scrollTop() + tm;
	var top_w = Math.floor(((w-300)/2));
	$('#layerFlyModalIntro').css({'top' : top_t + 'px'});
	$('#layerFlyModalIntro').css({'left' : top_w + 'px'});
}

function getPhotosData(sess_id, num, pict_w, pict_h) {
	var sess_id = sess_id;
	var num = num;
	$.ajax({
		type: "GET",
		url: '/frame.php',
		cache: false,
		data: "session=" + sess_id + '&amp;cur_photos=' + num,
		dataType: "html",
		error: function() {},
		success: function(html){
			createBlock(html, pict_w, pict_h);
		}
	});
}

function pastePhotosTo($lefty, html) {
	$('#endPhotosLevel').stopTime("waitTime");
	
	var box = parseInt($('#endPhotosLevel').width());
	var w1 = (parseInt(getDocWidth()) - box)/2;

	if (parseInt($lefty.css('height')) > $(window).height()) {
		var h1 = $(document).scrollTop();
	}
	else {
		var h1 = parseInt($(window).height()) - parseInt($('#endPhotosLevel').height());
		h1 = $(document).scrollTop() + (h1/2);
	}

	$lefty.css({'left' : w1 + 'px' , 'top' : h1});
	$lefty.php(html);
	$lefty.css('display', 'block');
	initFrameSlider();
	/* убираем пред_текст */
	$('#secondLevel').css('display', 'none');
	$('#secondLevel').attr('save', '1');
}

function createBlock(html, pict_w, pict_h) {
	if ( $('#endPhotosLevel').length > 0 ) {
		//$('#zeroLevel').css({'width' : w + 'px' , 'height' : h + 'px'});
	}
	else {
		var page = $('body');
		$('<div/>').attr('id', 'endPhotosLevel').css($.extend({}, {
			display: 'none',
			position: 'absolute',
			left: '0px',
			top: '0px',
			float: 'left',
			zIndex: 1002
		})).appendTo(page);
	}
	var $lefty = $('#endPhotosLevel');
	var pict_w = 880; /* переопределеяем */
	$lefty.css({'width' : pict_w + 'px' , 'height' : pict_h + 'px'});
	$('#endPhotosLevel').everyTime(500, "waitTime", function() {pastePhotosTo($lefty, html);});

	
}


function _closePhotosBox() {
	initStatus = 0;
	$('#secondLevel').attr('save', '0');
	if ($('#zeroLevel').length > 0) {$('#zeroLevel').css('display', 'none');}
	if ($('#secondLevel').length > 0) {$('#secondLevel').css('display', 'none');}
	if ($('#endPhotosLevel').length > 0) {$('#endPhotosLevel').css('display', 'none');}
}


/* функции для получения ширины и высоты всей страницы */
function getDocHeight() {
    var D = document;
    return Math.max(
        Math.max(D.body.scrollHeight, D.documentElement.scrollHeight),
        Math.max(D.body.offsetHeight, D.documentElement.offsetHeight),
        Math.max(D.body.clientHeight, D.documentElement.clientHeight)
    );
}
function getDocWidth() {
    var D = document;
    return Math.max(
        Math.max(D.body.scrollWidth, D.documentElement.scrollWidth),
        Math.max(D.body.offsetWidth, D.documentElement.offsetWidth),
        Math.max(D.body.clientWidth, D.documentElement.clientWidth)
    );
}