jQuery(document).ready(function(){

function slidepage25(direction){
var peeker = jQuery("div[@id^=yespage25]");

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

if(direction == "left"){
if(parseInt(peeker.attr("class").substring(10,classLength)) == (0)){
jQuery(peeker).attr("id","nopage25");
jQuery(".cellpage2515").attr("id","yespage25");
jQuery(".tubepage25").animate({left: "+=720"},2000, function(){
jQuery(this).css("display","none");})
.animate({left: "-=12240"},"fast", function(){jQuery(this).css("display","block");}).animate({left: "+=720"},2000);}

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

var nextLeft = ".cell" + "page25" + (parseInt(jQuery(peeker).attr("class").substring(10,classLength)) - 1);
jQuery(peeker).attr("id","nopage25");
jQuery(nextLeft).attr("id","yespage25");
jQuery(".tubepage25").animate({left: "+=720"},2000);}}

if(direction == "right"){
var peeker = jQuery("div[@id^=yespage25]");
var classLength = jQuery(peeker).attr("class").length;

if(parseInt(peeker.attr("class").substring(10,classLength)) == 15){
jQuery(peeker).attr("id","nopage25");
jQuery(".cellpage250").attr("id","yespage25");
jQuery(".tubepage25").animate({left: "-=720"},2000, function(){jQuery(this).css("display","none");})
.animate({left: "+=12240"},"fast", function(){jQuery(this).css("display","block");}).animate({left: "-=720"},2000);}

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

var nextRight = ".cell" + "page25" + (parseInt(jQuery(peeker).attr("class").substring(10,classLength)) + 1);
jQuery(peeker).attr("id","nopage25");
jQuery(nextRight).attr("id","yespage25");
jQuery(".tubepage25").animate({left: "-=720"},2000);}
}}

jQuery(".leftpage25").click(function(){
slidepage25("left");});
jQuery(".rightpage25").click(function(){
slidepage25("right");});
});