jQuery(document).ready(function(){

function slidepage9(direction){
var peeker = jQuery("div[@id^=yespage9]");

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

if(direction == "left"){
if(parseInt(peeker.attr("class").substring(9,classLength)) == (0)){
jQuery(peeker).attr("id","nopage9");
jQuery(".cellpage918").attr("id","yespage9");
jQuery(".tubepage9").animate({left: "+=420"},2000, function(){
jQuery(this).css("display","none");})
.animate({left: "-=8400"},"fast", function(){jQuery(this).css("display","block");}).animate({left: "+=420"},2000);}

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

var nextLeft = ".cell" + "page9" + (parseInt(jQuery(peeker).attr("class").substring(9,classLength)) - 1);
jQuery(peeker).attr("id","nopage9");
jQuery(nextLeft).attr("id","yespage9");
jQuery(".tubepage9").animate({left: "+=420"},2000);}}

if(direction == "right"){
var peeker = jQuery("div[@id^=yespage9]");
var classLength = jQuery(peeker).attr("class").length;

if(parseInt(peeker.attr("class").substring(9,classLength)) == 18){
jQuery(peeker).attr("id","nopage9");
jQuery(".cellpage90").attr("id","yespage9");
jQuery(".tubepage9").animate({left: "-=420"},2000, function(){jQuery(this).css("display","none");})
.animate({left: "+=8400"},"fast", function(){jQuery(this).css("display","block");}).animate({left: "-=420"},2000);}

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

var nextRight = ".cell" + "page9" + (parseInt(jQuery(peeker).attr("class").substring(9,classLength)) + 1);
jQuery(peeker).attr("id","nopage9");
jQuery(nextRight).attr("id","yespage9");
jQuery(".tubepage9").animate({left: "-=420"},2000);}
}}

jQuery(".leftpage9").click(function(){
slidepage9("left");});
jQuery(".rightpage9").click(function(){
slidepage9("right");});
});