window.dhtmlHistory={initialize:function(){
if(this.isInternetExplorer()==false){
return;
}
if(historyStorage.hasKey("DhtmlHistory_pageLoaded")==false){
this.fireOnNewListener=false;
this.firstLoad=true;
historyStorage.put("DhtmlHistory_pageLoaded",true);
}else{
this.fireOnNewListener=true;
this.firstLoad=false;
}
},addListener:function(_1){
this.listener=_1;
if(this.fireOnNewListener==true){
this.fireHistoryEvent(this.currentLocation);
this.fireOnNewListener=false;
}
},add:function(_2,_3){
var _4=this;
var _5=function(){
if(_4.currentWaitTime>0){
_4.currentWaitTime=_4.currentWaitTime-_4.WAIT_TIME;
}
_2=_4.removeHash(_2);
var _6=document.getElementById(_2);
if(_6!=undefined||_6!=null){
var _7="Exception: History locations can not have "+"the same value as _any_ id's "+"that might be in the document, "+"due to a bug in Internet "+"Explorer; please ask the "+"developer to choose a history "+"location that does not match "+"any HTML id's in this "+"document. The following ID "+"is already taken and can not "+"be a location: "+_2;
throw _7;
}
historyStorage.put(_2,_3);
_4.ignoreLocationChange=true;
this.ieAtomicLocationChange=true;
_4.currentLocation=_2;
window.location.hash=_2;
if(_4.isInternetExplorer()){
_4.iframe.src="blank.html?"+_2;
}
this.ieAtomicLocationChange=false;
};
window.setTimeout(_5,this.currentWaitTime);
this.currentWaitTime=this.currentWaitTime+this.WAIT_TIME;
},isFirstLoad:function(){
if(this.firstLoad==true){
return true;
}else{
return false;
}
},isInternational:function(){
return false;
},getVersion:function(){
return "0.05";
},getCurrentLocation:function(){
var _8=this.removeHash(window.location.hash);
return _8;
},currentLocation:null,listener:null,iframe:null,ignoreLocationChange:null,WAIT_TIME:200,currentWaitTime:0,fireOnNewListener:null,firstLoad:null,ieAtomicLocationChange:null,create:function(){
var _9=this.getCurrentLocation();
this.currentLocation=_9;
if(this.isInternetExplorer()){
document.write("<iframe style='border: 0px; width: 1px; "+"height: 1px; position: absolute; bottom: 0px; "+"right: 0px; visibility: visible;' "+"name='DhtmlHistoryFrame' id='DhtmlHistoryFrame' "+"src='blank.html?"+_9+"'>"+"</iframe>");
this.WAIT_TIME=400;
}
var _a=this;
window.onunload=function(){
_a.firstLoad=null;
};
if(this.isInternetExplorer()==false){
if(historyStorage.hasKey("DhtmlHistory_pageLoaded")==false){
this.ignoreLocationChange=true;
this.firstLoad=true;
historyStorage.put("DhtmlHistory_pageLoaded",true);
}else{
this.ignoreLocationChange=false;
this.fireOnNewListener=true;
}
}else{
this.ignoreLocationChange=true;
}
if(this.isInternetExplorer()){
this.iframe=document.getElementById("DhtmlHistoryFrame");
}
var _b=this;
var _c=function(){
_b.checkLocation();
};
setInterval(_c,100);
},fireHistoryEvent:function(_d){
var _e=historyStorage.get(_d);
this.listener.call(null,_d,_e);
},checkLocation:function(){
if(this.isInternetExplorer()==false&&this.ignoreLocationChange==true){
this.ignoreLocationChange=false;
return;
}
if(this.isInternetExplorer()==false&&this.ieAtomicLocationChange==true){
return;
}
var _f=this.getCurrentLocation();
if(_f==this.currentLocation){
return;
}
this.ieAtomicLocationChange=true;
if(this.isInternetExplorer()&&this.getIFrameHash()!=_f){
this.iframe.src="blank.html?"+_f;
}else{
if(this.isInternetExplorer()){
return;
}
}
this.currentLocation=_f;
this.ieAtomicLocationChange=false;
this.fireHistoryEvent(_f);
},getIFrameHash:function(){
var _10=document.getElementById("DhtmlHistoryFrame");
var doc=_10.contentWindow.document;
var _12=new String(doc.location.search);
if(_12.length==1&&_12.charAt(0)=="?"){
_12="";
}else{
if(_12.length>=2&&_12.charAt(0)=="?"){
_12=_12.substring(1);
}
}
return _12;
},removeHash:function(_13){
if(_13==null||_13==undefined){
return null;
}else{
if(_13==""){
return "";
}else{
if(_13.length==1&&_13.charAt(0)=="#"){
return "";
}else{
if(_13.length>1&&_13.charAt(0)=="#"){
return _13.substring(1);
}else{
return _13;
}
}
}
}
},iframeLoaded:function(_14){
if(this.ignoreLocationChange==true){
this.ignoreLocationChange=false;
return;
}
var _15=new String(_14.search);
if(_15.length==1&&_15.charAt(0)=="?"){
_15="";
}else{
if(_15.length>=2&&_15.charAt(0)=="?"){
_15=_15.substring(1);
}
}
if(this.pageLoadEvent!=true){
window.location.hash=_15;
}
this.fireHistoryEvent(_15);
},isInternetExplorer:function(){
var _16=navigator.userAgent.toLowerCase();
if(document.all&&_16.indexOf("msie")!=-1){
return true;
}else{
return false;
}
}};
window.historyStorage={debugging:false,storageHash:new Object(),hashLoaded:false,put:function(key,_18){
this.assertValidKey(key);
if(this.hasKey(key)){
this.remove(key);
}
this.storageHash[key]=_18;
this.saveHashTable();
},get:function(key){
this.assertValidKey(key);
this.loadHashTable();
var _1a=this.storageHash[key];
if(_1a==undefined){
return null;
}else{
return _1a;
}
},remove:function(key){
this.assertValidKey(key);
this.loadHashTable();
delete this.storageHash[key];
this.saveHashTable();
},reset:function(){
this.storageField.value="";
this.storageHash=new Object();
},hasKey:function(key){
this.assertValidKey(key);
this.loadHashTable();
if(typeof this.storageHash[key]=="undefined"){
return false;
}else{
return true;
}
},isValidKey:function(key){
return (typeof key=="string");
},storageField:null,init:function(){
var _1e="position: absolute; top: -1000px; left: -1000px;";
if(this.debugging==true){
_1e="width: 30em; height: 30em;";
}
var _1f="<form id='historyStorageForm' "+"method='GET' "+"style='"+_1e+"'>"+"<textarea id='historyStorageField' "+"style='"+_1e+"'"+"left: -1000px;' "+"name='historyStorageField'></textarea>"+"</form>";
document.write(_1f);
this.storageField=document.getElementById("historyStorageField");
},assertValidKey:function(key){
if(this.isValidKey(key)==false){
throw "Please provide a valid key for "+"window.historyStorage, key= "+key;
}
},loadHashTable:function(){
if(this.hashLoaded==false){
var _21=this.storageField.value;
if(_21!=""&&_21!=null){
this.storageHash=eval("("+_21+")");
}
this.hashLoaded=true;
}
},saveHashTable:function(){
this.loadHashTable();
var _22=JSON.stringify(this.storageHash);
this.storageField.value=_22;
}};
Array.prototype.______array="______array";
var JSON={org:"http://www.JSON.org",copyright:"(c)2005 JSON.org",license:"http://www.crockford.com/JSON/license.html",stringify:function(arg){
var c,i,l,s="",v;
switch(typeof arg){
case "object":
if(arg){
if(arg.______array=="______array"){
for(i=0;i<arg.length;++i){
v=this.stringify(arg[i]);
if(s){
s+=",";
}
s+=v;
}
return "["+s+"]";
}else{
if(typeof arg.toString!="undefined"){
for(i in arg){
v=arg[i];
if(typeof v!="undefined"&&typeof v!="function"){
v=this.stringify(v);
if(s){
s+=",";
}
s+=this.stringify(i)+":"+v;
}
}
return "{"+s+"}";
}
}
}
return "null";
case "number":
return isFinite(arg)?String(arg):"null";
case "string":
l=arg.length;
s="\"";
for(i=0;i<l;i+=1){
c=arg.charAt(i);
if(c>=" "){
if(c=="\\"||c=="\""){
s+="\\";
}
s+=c;
}else{
switch(c){
case "\b":
s+="\\b";
break;
case "\f":
s+="\\f";
break;
case "\n":
s+="\\n";
break;
case "\r":
s+="\\r";
break;
case "\t":
s+="\\t";
break;
default:
c=c.charCodeAt();
s+="\\u00"+Math.floor(c/16).toString(16)+(c%16).toString(16);
}
}
}
return s+"\"";
case "boolean":
return String(arg);
default:
return "null";
}
},parse:function(_25){
var at=0;
var ch=" ";
function error(m){
throw {name:"JSONError",message:m,at:at-1,text:_25};
}
function next(){
ch=_25.charAt(at);
at+=1;
return ch;
}
function white(){
while(ch!=""&&ch<=" "){
next();
}
}
function str(){
var i,s="",t,u;
if(ch=="\""){
outer:
while(next()){
if(ch=="\""){
next();
return s;
}else{
if(ch=="\\"){
switch(next()){
case "b":
s+="\b";
break;
case "f":
s+="\f";
break;
case "n":
s+="\n";
break;
case "r":
s+="\r";
break;
case "t":
s+="\t";
break;
case "u":
u=0;
for(i=0;i<4;i+=1){
t=parseInt(next(),16);
if(!isFinite(t)){
break outer;
}
u=u*16+t;
}
s+=String.fromCharCode(u);
break;
default:
s+=ch;
}
}else{
s+=ch;
}
}
}
}
error("Bad string");
}
function arr(){
var a=[];
if(ch=="["){
next();
white();
if(ch=="]"){
next();
return a;
}
while(ch){
a.push(val());
white();
if(ch=="]"){
next();
return a;
}else{
if(ch!=","){
break;
}
}
next();
white();
}
}
error("Bad array");
}
function obj(){
var k,o={};
if(ch=="{"){
next();
white();
if(ch=="}"){
next();
return o;
}
while(ch){
k=str();
white();
if(ch!=":"){
break;
}
next();
o[k]=val();
white();
if(ch=="}"){
next();
return o;
}else{
if(ch!=","){
break;
}
}
next();
white();
}
}
error("Bad object");
}
function num(){
var n="",v;
if(ch=="-"){
n="-";
next();
}
while(ch>="0"&&ch<="9"){
n+=ch;
next();
}
if(ch=="."){
n+=".";
while(next()&&ch>="0"&&ch<="9"){
n+=ch;
}
}
if(ch=="e"||ch=="E"){
n+="e";
next();
if(ch=="-"||ch=="+"){
n+=ch;
next();
}
while(ch>="0"&&ch<="9"){
n+=ch;
next();
}
}
v=+n;
if(!isFinite(v)){
error("Bad number");
}else{
return v;
}
}
function word(){
switch(ch){
case "t":
if(next()=="r"&&next()=="u"&&next()=="e"){
next();
return true;
}
break;
case "f":
if(next()=="a"&&next()=="l"&&next()=="s"&&next()=="e"){
next();
return false;
}
break;
case "n":
if(next()=="u"&&next()=="l"&&next()=="l"){
next();
return null;
}
break;
}
error("Syntax error");
}
function val(){
white();
switch(ch){
case "{":
return obj();
case "[":
return arr();
case "\"":
return str();
case "-":
return num();
default:
return ch>="0"&&ch<="9"?num():word();
}
}
return val();
}};
window.historyStorage.init();
window.dhtmlHistory.create();