function flippingbook() {
	this.pages = [];
	this.zoompages = [];
	this.printpages = [];
	this.contents = [];

	this.stagewidth = "100%";
	this.stageheight = "100%";
	
	this.settings = {
			bookwidth: 840,
			bookheight: 537,
			pagesset: this.pages,
			zoompagesset: this.zoompages,
			printpagesset: this.printpages,
			scalecontent: true,
			preserveproportions: false,
			centercontent: true,
			hardcover: false,
			hardcoverthickness: 3,
			hardcoveredgecolor: 0xffffff,
			highlighthardcover: true,
			framewidth: 0,
			framecolor: 0xffffff,
			framealpha: 100,
			firstpagenumber: 1,
			autoflipsize: 50,
			navigationflipoffset: 30,
			fliponclick: true,
			handovercorner: true,
			handoverpage: true,
			alwaysopened: false,
			staticshadowstype: "asymmetric", // asymmetric, symmetric, default
			staticshadowsdepth: 1,
			staticshadowslightcolor: 0xffffff, // works for "symmetric" shadows only
			staticshadowsdarkcolor: 0x000000,
			dynamicshadowsdepth: 1,
			dynamicshadowslightcolor: 0xffffff, // works for "dark" pages only
			dynamicshadowsdarkcolor: 0x000000,
			movespeed: 2,
			closespeed: 3,
			gotospeed: 3,
			rigidpagespeed: 5,
			flipsound: "",
			hardcoversound: "",
			preloadertype: "thin", // "progress bar", "round", "thin", "dots", "gradient wheel", "gear wheel", "line", "animated book", "none"
			pagebackgroundcolor: 0x99ccff,
			loadondemand: true,
			allowpagesunload: true,
			showunderlyingpages: false,
			playondemand: true,
			freezeonflip: false,
			darkpages: false,
			smoothpages: false,
			rigidpages: false,
			flipcornerstyle: "manually",// "first page only", "each page", "manually"
			flipcornerposition: "bottom-right",// "bottom-right","top-right","bottom-left","top-left"
			flipcorneramount: 50,
			flipcornerangle: 20,
			flipcornerrelease: true,
			flipcornervibrate: true,
			flipcornerplaysound: false,
			zoomenabled: true,
			zoompath: "pages/large/",
			zoomimagewidth: 1000,
			zoomimageheight: 1279,
			zoomonclick: true,
			zoomuicolor: 0x8f9ea6,
			zoomhint: "˫���鿴 �ŵ�ч��",
			zoomhintenabled: true,
			centerbook: true,		
			usecustomcursors: true,
			dropshadowenabled: true,
			dropshadowhidewhenflipping: true,
			backgroundcolor: 0xffffff,
			backgroundimage: "img/bookbackground.jpg",
			backgroundimageplacement: "fit", //  "top left", "center", "fit"
			printenabled: true,
			printtitle: "��ӡҳ��",
			downloadurl: "",
			downloadtitle: "���� pdf",
			downloadsize: "size: 4.97 mb",
			downloadcomplete: "�������",
			extxml: ""
		};
		
		this.containerid = "fbcontainer";
		this.forwardbuttonid = "fbforwardbutton";
		this.backbuttonid = "fbbackbutton";
		this.zoombuttonid = "fbzoombutton";
		this.printbuttonid = "fbprintbutton";
		this.downloadbuttonid = "fbdownloadbutton";
		this.currentpagesid = "fbcurrentpages";
		this.totalpagesid = "fbtotalpages";
		this.contentsmenuid = "fbcontentsmenu";		
};

flippingbook.prototype.create = function(){
	this.settings.pagesset = this.pages;
	this.settings.zoompagesset = this.zoompages;
	this.settings.printpagesset = this.printpages;
	
	if( location.hash.substr(1) != "" )
		this.settings.firstpagenumber = location.hash.substr(1);
	
	this.addloadevent( this.onwindowload );
	swfobject.embedswf("flippingbook.swf", this.containerid, this.stagewidth, this.stageheight, "8.0.0", "js/expressinstall.swf", this.settings, {allowscriptaccess: "always", bgcolor:  "#" + this.settings.backgroundcolor.tostring( 16 ) });
}

flippingbook.prototype.getflippingbookreference = function() {
	return this.getobjectreference( this.containerid );
}

flippingbook.prototype.getobjectreference = function( id ) {
	return document.getelementbyid( id );
}

flippingbook.prototype.flipforward = function() {
	flippingbook.getflippingbookreference().flipforward();
}

flippingbook.prototype.flipback = function() {
	flippingbook.getflippingbookreference().flipback();
}

flippingbook.prototype.zoombuttonclick = function() {
	if( flippingbook.getflippingbookreference().iszoomedin() )
		flippingbook.zoomout();
	else
		flippingbook.zoomin();
}

flippingbook.prototype.zoomin = function() {
	this.getflippingbookreference().zoomin();
}

flippingbook.prototype.zoomout = function() {
	this.getflippingbookreference().zoomout();
}

flippingbook.prototype.print = function() {	
	flippingbook.getflippingbookreference().print();
}

flippingbook.prototype.downloadfile = function() {	
	if( flippingbook.settings.downloadurl )
		flippingbook.getflippingbookreference().downloadfile();
}

flippingbook.prototype.onwindowload = function(){	
	var forwardbutton = flippingbook.getobjectreference( flippingbook.forwardbuttonid );
	if( forwardbutton ){
		forwardbutton.style.cursor = "pointer";
		forwardbutton.onclick = flippingbook.flipforward;
	}
	
	var backbutton = flippingbook.getobjectreference( flippingbook.backbuttonid );
	if( backbutton ){
		backbutton.style.cursor = "pointer";
		backbutton.onclick = flippingbook.flipback;
	}
	
	var zoombutton = flippingbook.getobjectreference( flippingbook.zoombuttonid );
	if( zoombutton ){
		zoombutton.style.cursor = "pointer";
		zoombutton.onclick = flippingbook.zoombuttonclick;
	}
	
	var printbutton = flippingbook.getobjectreference( flippingbook.printbuttonid );
	if( printbutton ){
		printbutton.style.cursor = "pointer";
		printbutton.onclick = flippingbook.print;
	}

	var downloadbutton = flippingbook.getobjectreference( flippingbook.downloadbuttonid );
	if( downloadbutton ){
		downloadbutton.style.cursor = "pointer";
		downloadbutton.onclick = flippingbook.downloadfile;
	}
	
	flippingbook.buildcontentsmenu();
}

flippingbook.prototype.onputpage = function( leftpagenumber, rightpagenumber ){
	this.updatepagination( leftpagenumber, rightpagenumber );
	this.updatecontentsmenu( leftpagenumber, rightpagenumber );
}

flippingbook.prototype.updatepagination = function( leftpagenumber, rightpagenumber ){
	var leftpageexists = ( leftpagenumber != undefined );
	var rightpageexists = ( rightpagenumber != undefined );
			
	var pagenumberstring = leftpagenumber + "-" + rightpagenumber;
	if( !leftpageexists )
		pagenumberstring = rightpagenumber;	
	if( !rightpageexists )
		pagenumberstring = leftpagenumber;

	this.getobjectreference( this.currentpagesid ).innerhtml = pagenumberstring;
	this.getobjectreference( this.totalpagesid ).innerhtml = " / " + this.getflippingbookreference().totalpages();	
}

flippingbook.prototype.buildcontentsmenu = function(){
	var contentsselect = this.getobjectreference( this.contentsmenuid );
	
	if( contentsselect ){
		for( var i = 0; i < this.contents.length; i++ )
			contentsselect.options[i] = new option(this.contents[i][0], this.contents[i][1]);
			
		contentsselect.onchange = this.oncontentschange;
	}
}

flippingbook.prototype.oncontentschange = function(){
	var contentsselect = flippingbook.getobjectreference( flippingbook.contentsmenuid );
	var pagenumber = contentsselect.options[contentsselect.selectedindex].value;
	
	if( pagenumber )
		flippingbook.getflippingbookreference().flipgotopage( pagenumber );
}

flippingbook.prototype.updatecontentsmenu = function( leftpagenumber, rightpagenumber ){
	var contentsselect = flippingbook.getobjectreference( flippingbook.contentsmenuid );

	if( contentsselect ){
		for( var i = 0; i < this.contents.length - 1; i++ ){
			var minpage = contentsselect.options[i].value;
			var maxpage = contentsselect.options[i+1].value;
			var leftok = false;
			var rightok = false;
			
			if( leftpagenumber )
				leftok = ( number( leftpagenumber ) >=  minpage && number( leftpagenumber ) <= maxpage );
			else
				leftok = true;

			if( rightpagenumber )
				rightok = ( number( rightpagenumber ) >=  minpage && number( rightpagenumber ) <= maxpage );
			else
				rightok = true;
				
			if( leftok && rightok )	
				break;
		}	
		contentsselect.selectedindex = i;
	}
}

flippingbook.prototype.getwindowheight = function() {
	var windowheight = 0;
	
	if (typeof(window.innerheight) == 'number' ) {
		windowheight=window.innerheight;
	}
	else {
		if (document.documentelement &&	document.documentelement.clientheight) {
				windowheight = document.documentelement.clientheight;
		}
		else {
			if (document.body&&document.body.clientheight) {
				windowheight=document.body.clientheight;
			}
		}
	}
	
	return windowheight;
}

flippingbook.prototype.addloadevent = function ( fn ) {
	if (typeof window.addeventlistener != "undefined") {
		window.addeventlistener("load", fn, false);
	}
	else if (typeof document.addeventlistener != "undefined") {
		document.addeventlistener("load", fn, false);
	}
	else if (typeof window.attachevent != "undefined") {
		window.attachevent("onload", fn);
	}
	else if (typeof window.onload == "function") {
		var fnold = window.onload;
		window.onload = function() {
			fnold();
			fn();
		};
	}
	else {
		window.onload = fn;
	}
}

flippingbook.prototype.handlewheel = function ( delta ){
	this.getflippingbookreference().onwheelscroll( delta );
}

flippingbook = new flippingbook();

function wheel(event){
	var delta = 0;
	if (!event) event = window.event;
	if (event.wheeldelta) {
		delta = event.wheeldelta/120; 
		if (window.opera) delta = -delta;
	} else if (event.detail) {
		delta = -event.detail/3;
	}
	if (delta)
		flippingbook.handlewheel(delta);
        if (event.preventdefault)
                event.preventdefault();
        event.returnvalue = false;
}

if (window.addeventlistener)
	window.addeventlistener('dommousescroll', wheel, false);
window.onmousewheel = document.onmousewheel = wheel;