/***********************************************
* Book Flip slideshow script- © Ger Versluis 2003
* Permission granted to DynamicDrive.com to feature script
* This notice must stay intact for use
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

/********************************************************
	Create a div with transparent place holder in your html	
	<div id="Book" style="position:relative">
		<img src="placeholder.gif" width="144" height="227">
	</div>
	width = 2*book image width +4 height = book image height+2

	Insert onload in body tag
		<body onload="ImageBook()">	
*********************************************************/

// 7 variables to control behavior
	var Book_Image_Width=200;
	var Book_Image_Height=250;
	var Book_Border=true;
	var Book_Border_Color="gray";
	var Book_Speed=15;
	var Book_NextPage_Delay=1500; //1 second=1000
	var Book_Vertical_Turn=0;	

// array to specify images and optional links. At least 4
// If Link is not needed keep it ""

// NOTE No comma after last line
	Book_Image_Sources=new Array(
		"aptImages/photo1.jpg","#",
		"aptImages/photo2.jpg","#",
		"aptImages/photo3.jpg","#", 
		"aptImages/photo4.jpg","#",
		"aptImages/photo5.jpg","#",
		"aptImages/photo6.jpg","#",
		"aptImages/photo7.jpg","#",
		"aptImages/photo8.jpg","#",
		"aptImages/photo9.jpg","#",
		"aptImages/photo10.jpg","#",
		"aptImages/photo11.jpg","#",
		"aptImages/photo12.jpg","#",
		"aptImages/photo13.jpg","#",
		"aptImages/photo14.jpg","#",
		"aptImages/photo15.jpg","#",
		"aptImages/photo16.jpg","#",
		"aptImages/photo17.jpg","#"
		
		);

/***************** DO NOT EDIT BELOW **********************************/
	var B_LI,B_MI,B_RI,B_TI,B_Angle=0,B_CrImg=6,B_MaxW,B_Direction=1;
	var B_MSz,B_Stppd=false;B_Pre_Img=new Array(Book_Image_Sources.length);

	function ImageBook(){
		if(document.getElementById){
			for(i=0;i<Book_Image_Sources.length;i+=2){
				B_Pre_Img[i]=new Image();B_Pre_Img[i].src=Book_Image_Sources[i]}
			Book_Div=document.getElementById("Book");
			B_LI=document.createElement("img");Book_Div.appendChild(B_LI);	
			B_RI=document.createElement("img");Book_Div.appendChild(B_RI);
			B_MI=document.createElement("img");Book_Div.appendChild(B_MI);	
			B_LI.style.position=B_MI.style.position=B_RI.style.position="absolute";
			B_LI.style.zIndex=B_RI.style.zIndex=0;B_MI.style.zIndex=1;
			B_LI.style.top=(Book_Vertical_Turn?Book_Image_Height+1:0)+"px";
			B_LI.style.left=0+"px";
			B_MI.style.top=0+"px";
			B_MI.style.left=(Book_Vertical_Turn?0:Book_Image_Width+1)+"px";
			B_RI.style.top=0+"px";
			B_RI.style.left=(Book_Vertical_Turn?0:Book_Image_Width+1)+"px";
			B_LI.style.height=Book_Image_Height+"px";
			B_MI.style.height=Book_Image_Height+"px";
			B_RI.style.height=Book_Image_Height+"px";
			B_LI.style.width=Book_Image_Width+"px";
			B_MI.style.width=Book_Image_Width+"px";
			B_RI.style.width=Book_Image_Width+"px";
			if(Book_Border){
				B_LI.style.borderStyle=B_MI.style.borderStyle=B_RI.style.borderStyle="solid";
				B_LI.style.borderWidth=1+"px";
				B_MI.style.borderWidth=1+"px";
				B_RI.style.borderWidth=1+"px";
				B_LI.style.borderColor=B_MI.style.borderColor=B_RI.style.borderColor=Book_Border_Color}
			B_LI.src=B_Pre_Img[0].src;
			B_LI.lnk=Book_Image_Sources[1];
			B_MI.src=B_Pre_Img[2].src;
			B_MI.lnk=Book_Image_Sources[3];
			B_RI.src=B_Pre_Img[4].src;
			B_RI.lnk=Book_Image_Sources[5];
			B_LI.onclick=B_MI.onclick=B_RI.onclick=B_LdLnk;
			B_LI.onmouseover=B_MI.onmouseover=B_RI.onmouseover=B_Stp;
			B_LI.onmouseout=B_MI.onmouseout=B_RI.onmouseout=B_Rstrt;
			BookImages()}}

	function BookImages(){
		if(!B_Stppd){
			if(Book_Vertical_Turn){
				B_MSz=Math.abs(Math.round(Math.cos(B_Angle)*Book_Image_Height));
				MidOffset=!B_Direction?Book_Image_Height+1:Book_Image_Height-B_MSz;
				B_MI.style.top=MidOffset+"px";
				B_MI.style.height=B_MSz+"px"}
			else{	B_MSz=Math.abs(Math.round(Math.cos(B_Angle)*Book_Image_Width));
				MidOffset=B_Direction?Book_Image_Width+1:Book_Image_Width-B_MSz;
				B_MI.style.left=MidOffset+"px";
				B_MI.style.width=B_MSz+"px"}
			B_Angle+=Book_Speed/720*Math.PI;
			if(B_Angle>=Math.PI/2&&B_Direction){
				B_Direction=0;
				if(B_CrImg==Book_Image_Sources.length)B_CrImg=0;
				B_MI.src=B_Pre_Img[B_CrImg].src;
				B_MI.lnk=Book_Image_Sources[B_CrImg+1];
				B_CrImg+=2}
			if(B_Angle>=Math.PI){
				B_Direction=1;
				B_TI=B_LI;
				B_LI=B_MI;
				B_MI=B_TI;
				if(Book_Vertical_Turn)B_MI.style.top=0+"px";
				else B_MI.style.left=Book_Image_Width+1+"px";			
				B_MI.src=B_RI.src;
				B_MI.lnk=B_RI.lnk;

				setTimeout("Book_Next_Delay()",Book_NextPage_Delay)}
			else setTimeout("BookImages()",50)}
		else setTimeout("BookImages()",50)}

	function Book_Next_Delay(){
			if(B_CrImg==Book_Image_Sources.length)B_CrImg=0;
			B_RI.src=B_Pre_Img[B_CrImg].src;
			B_RI.lnk=Book_Image_Sources[B_CrImg+1];
			B_MI.style.zIndex=2;
			B_LI.style.zIndex=1;
			B_Angle=0;
			B_CrImg+=2;
		setTimeout("BookImages()",50)}

	function B_LdLnk(){if(this.lnk)window.location.href=this.lnk}
	function B_Stp(){B_Stppd=true;this.style.cursor=this.lnk?"pointer":"default"}
	function B_Rstrt(){B_Stppd=false}



function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}

	ImageBook();
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
