jQuery(document).ready(function(){

function slidepage40(direction){
var peeker = jQuery("div[@id^=yespage40]");

var classLength = jQuery(peeker).attr("class").length;

if(direction == "left"){
if(parseInt(peeker.attr("class").substring(10,classLength)) == (0)){
jQuery(peeker).attr("id","nopage40");
jQuery(".cellpage405").attr("id","yespage40");
jQuery(".tubepage40").animate({left: "+=580"},2000, function(){
jQuery(this).css("display","none");})
.animate({left: "-=4060"},"fast", function(){jQuery(this).css("display","block");}).animate({left: "+=580"},2000);}

else{
var classLength = jQuery(peeker).attr("class").length;

var nextLeft = ".cell" + "page40" + (parseInt(jQuery(peeker).attr("class").substring(10,classLength)) - 1);
jQuery(peeker).attr("id","nopage40");
jQuery(nextLeft).attr("id","yespage40");
jQuery(".tubepage40").animate({left: "+=580"},2000);}}

if(direction == "right"){
var peeker = jQuery("div[@id^=yespage40]");
var classLength = jQuery(peeker).attr("class").length;

if(parseInt(peeker.attr("class").substring(10,classLength)) == 5){
jQuery(peeker).attr("id","nopage40");
jQuery(".cellpage400").attr("id","yespage40");
jQuery(".tubepage40").animate({left: "-=580"},2000, function(){jQuery(this).css("display","none");})
.animate({left: "+=4060"},"fast", function(){jQuery(this).css("display","block");}).animate({left: "-=580"},2000);}

else{
var classLength = jQuery(peeker).attr("class").length;

var nextRight = ".cell" + "page40" + (parseInt(jQuery(peeker).attr("class").substring(10,classLength)) + 1);
jQuery(peeker).attr("id","nopage40");
jQuery(nextRight).attr("id","yespage40");
jQuery(".tubepage40").animate({left: "-=580"},2000);}
}}

jQuery(".leftpage40").click(function(){
slidepage40("left");});
jQuery(".rightpage40").click(function(){
slidepage40("right");});
});