var FBrowser=new Object();
FBrowser.isIE=((navigator.userAgent.indexOf('MSIE')==-1)?false:true);
FBrowser.isIE7=((FBrowser.isIE&&window.XMLHttpRequest)?true:false);
FBrowser.isIE6=((FBrowser.isIE&&!window.XMLHttpRequest&&window.ActiveXObject)?true:false);
FBrowser.isFirefox=((navigator.userAgent.indexOf('Firefox')==-1)?false:true);
FBrowser.isOpera=((navigator.userAgent.indexOf('Opera')==-1)?false:true);
String.prototype.lTrim=function(){return this.replace(/^\s*/,"");}
String.prototype.rTrim=function(){return this.replace(/\s*$/,"");}
String.prototype.trim=function(){return this.rTrim().lTrim();}
String.prototype.hasChinese=function(){return/[^\x00-\xff]/g.test(this);}
Array.prototype.exist=function(v){
var c=this.length;
for(var i=0;i<c;i++){
if(this[i]==v)return true;}
return false;}
window.clearRunInterval=window.clearInterval;
window.clearRunTimeout=window.clearTimeout;
window.setRunTimeout=function(fn,dt){
if(typeof(fn)!='function')return false;
var p=new Array();
var c=arguments.length;
if(c>4){
for(var i=4;i<c;i++)p[i-4]=arguments[i];}
var f=function(){fn.apply(null,p)}
return window.setTimeout(f,dt);}
window.setRunInterval=function(fn,dt){
if(typeof(fn)!='function')return false;
var p=new Array();
var c=arguments.length;
if(c>4){
for(var i=4;i<c;i++)p[i-4]=arguments[i];}
var f=function(){fn.apply(null,p)}
return window.setInterval(f,dt);}
function Fid(id){
return document.getElementById(id);}

var photoIsPoll=true;
var photoSelected=0;
function showPhotoTab(n){
n=parseInt(n);
n=(n<0||n>4)?0:n;
for(var i=0;i<=4;i++){
if(n==i){
Fid("photo"+i).style.display="block";
Fid("photo_menu"+i).className="nonce";}
else{
Fid("photo"+i).style.display="none";
Fid("photo_menu"+i).className="";}}}
function setPhotoPoll(v){
photoIsPoll=v;}
function playPhotoPoll(){
if(photoIsPoll){
photoSelected=photoSelected%5;
showPhotoTab(photoSelected);
photoSelected++;}
if((photoSelected%5)==1)
setTimeout("playPhotoPoll()",4500);
else
setTimeout("playPhotoPoll()",3500);}